Hello,
i found many old Threads regading this. But nothing worked for me.
In the Editor everything works fine.
My version is 2020.3.0f1.
When i build and run my project i get the following Errors:
2021.03.28 22:12:41.781 19219 21260 Error Unity at (wrapper managed-to-native) Mono.Data.Sqlite.UnsafeNativeMethods.sqlite3_libversion_number()
2021.03.28 22:12:41.781 19219 21260 Error Unity at Mono.Data.Sqlite.UnsafeNativeMethods..cctor () [0x00000] in <afb4049b8dec44e9b329b5b9ee3695f4>:0
2021.03.28 22:12:41.781 19219 21260 Error Unity Rethrow as TypeInitializationException: The type initializer for 'Mono.Data.Sqlite.UnsafeNativeMethods' threw an exception.
2021.03.28 22:12:41.781 19219 21260 Error Unity at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_generic_class_init(intptr)
2021.03.28 22:12:41.781 19219 21260 Error Unity at Mono.Data.Sqlite.SQLite3.Open (System.String strFilename, Mono.Data.Sqlite.SQLiteOpenFlagsEnum flags, System.Int32 maxPoolSize, System.Boolean usePool) [0x00037] in <afb4049b8dec44e9b329b5b9ee3695f4>:0
2021.03.28 22:12:41.781 19219 21260 Error Unity at Mono.Data.Sqlite.SqliteConnection.Open () [0x0026f] in <afb4049b8dec44e9b329b5b9ee3695f4>:0
2021.03.28 22:12:41.781 19219 21260 Error Unity at DBHandler.createConnection () [0x00011] in <bb317f0d3f2d495bad54ff4bb63b0d6c>:0
2021.03.28 22:12:41.781 19219 21260 Error Unity at DBHandler..ctor () [0x00017] in <bb317f0d3f2d495bad54ff4bb63b0d6c>:0
2021.03.28 22:12:41.781 19219 21260 Error Unity at SaveHandler+SaveSettingsReader.save (System.Int32 mode, System.Int32 value) [0x00000] in <bb317f0d3f2```


And all these files from "Precompiled Binaries for Android" (https://www.sqlite.org/download.html)

Thanks