Hello.
Removed all that class. The problem persisted.
10373: [Unity] Exception: Invalid PBX project (parsing line 1)
10374: [Unity] at UnityEditor.iOS.Xcode.PBX.Parser.ParseTree () [0x00014] in <a833a81ec7dd4f6c836d4e83ea3c87a9>:0
10375: [Unity] at UnityEditor.iOS.Xcode.PBXProjectData.ParseContent (System.String content) [0x0000f] in <a833a81ec7dd4f6c836d4e83ea3c87a9>:0
10376: [Unity] at UnityEditor.iOS.Xcode.PBXProjectData.ReadFromStream (System.IO.TextReader sr) [0x00014] in <a833a81ec7dd4f6c836d4e83ea3c87a9>:0
10377: [Unity] at UnityEditor.iOS.Xcode.PBXProject.ReadFromStream (System.IO.TextReader sr) [0x00001] in <a833a81ec7dd4f6c836d4e83ea3c87a9>:0
10378: [Unity] at UnityEditor.iOS.Xcode.PBXProject.ReadFromString (System.String src) [0x00008] in <a833a81ec7dd4f6c836d4e83ea3c87a9>:0
10379: [Unity] at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (System.Reflection.MonoMethod,object,object[],System.Exception&)
10380: [Unity] Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation.
10381: [Unity] at UnityEditor.CloudBuild.UnityReflector.FixupXcodeProject (System.String path) [0x0013b] in <97beac1c202b4997984317ac7a171f50>:0
10382: [Unity] at UnityEditor.CloudBuild.Builder.FixupXcodeProject (System.String path) [0x00024] in <97beac1c202b4997984317ac7a171f50>:0
10383: [Unity] at UnityEditor.CloudBuild.Builder.Build () [0x003a3] in <97beac1c202b4997984317ac7a171f50>:0
10384: [Unity] (Filename: <a833a81ec7dd4f6c836d4e83ea3c87a9> Line: 0)
10385: [Unity] executeMethod method UnityEditor.CloudBuild.Builder.Build threw exception.
10386: [Unity] Aborting batchmode due to failure:
10387: [Unity] executeMethod method UnityEditor.CloudBuild.Builder.Build threw exception.
10388: ! Unity player export failed!
10389: [Unity Package Manager (Upm)] - Application terminated due to HTTP connection being closed on the other end.