[Message (Optional)] The operation failed for reasons unrelated to the database itself and not covered by any other errors. [Type] 
UnknownError
U n k n o w n E r r o r
C o n s t r a i n t E r r o r
D a t a E r r o r
T r a n s a c t i o n I n a c t i v e E r r o r
R e a d O n l y E r r o r
V e r s i o n E r r o r