Oracle Message OCI-31041 - Property string: Memory type (string) not compatible with database type (string)

ERRORProperty string: Memory type (string) not compatible with database type (string)
CAUSEThe memory type associated with this property is mapped to an incompatible database type, and a conversion cannot be made.
ACTIONThis is an internal error, generally resulting from corruption of the compiled XML schema. Re-register schemas, or contact Oracle support.