Some of us are having those errors when Applying Boolean with the experimental tool. Is this bug logged please?
Related thread : Pro Builder - boolean removed?
StackOverflowException: The requested operation caused a stack overflow.
System.Collections.Generic.List`1[T].set_Capacity (System.Int32 value) (at <437ba245d8404784b9fbab9b439ac908>:0)
System.Collections.Generic.List`1[T].EnsureCapacity (System.Int32 min) (at <437ba245d8404784b9fbab9b439ac908>:0)
System.Collections.Generic.List`1[T].Add (T item) (at <437ba245d8404784b9fbab9b439ac908>:0)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Plane.SplitPolygon (UnityEngine.ProBuilder.Experimental.CSG.CSG_Polygon polygon, System.Collections.Generic.List`1[T] coplanarFront, System.Collections.Generic.List`1[T] coplanarBack, System.Collections.Generic.List`1[T] front, System.Collections.Generic.List`1[T] back) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Plane.cs:66)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:112)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System.Collections.Generic.List`1[T] list) (at Library/PackageCache/com.unity.probuilder@4.2.3/Runtime/MeshOperations/CSG/Classes/CSG_Node.cs:120)
UnityEngine.ProBuilder.Experimental.CSG.CSG_Node.Build (System<message truncated>