cannot handle numeric identities when they > max integer value

[chengen1213]

System.OverflowException: Value was either too large or too small for an Int32.
at System.Decimal.ToInt32(Decimal d)
at System.Decimal.op_Explicit(Decimal value)
at SqlCeServerAdapter.Insert(IDbConnection connection, IDbTransaction transaction, Nullable1 commandTimeout, String tableName, String columnList, String parameterList, IEnumerable1 keyProperties, Object entityToInsert) in //Dapper.Contrib/SqlMapperExtensions.cs:line 884
at Dapper.Contrib.Extensions.SqlMapperExtensions.Insert[T](IDbConnection connection, T entityToInsert, IDbTransaction transaction, Nullable`1 commandTimeout) in //Dapper.Contrib/SqlMapperExtensions.cs:line 377

var id = (int)r[0].id;

in \SqlMapperExtensions.cs

line 884 - cannot handle numeric identities when they > max integer value

[Emil Steen]

This has been known since 2016 and is being considered since 2017 for version 3.
Value was either too large or too small for an Int32.

So it is probably not going to be solved soon. I'm currently looking for a work-around myself.