Oracle Error Codes

All Oracle Database Error Codes

Oracle database error code ORA-19123 – fn:zero-or-one() called with a sequence containing more than one item

Oracle Database Error Code ORA-19123 Description :

fn:zero-or-one() called with a sequence containing more than one item

Error Cause:

sequence with more than one item was passed into fn:zero-or-one() function

How to Solve :

correct input argument to fn:zero-or-one() function