ORA-19123: FORG0003: fn:zero-or-one() called with a sequence containing more than one item

ORA-19123: FORG0003: fn:zero-or-one() called with a sequence containing more than one item


Cause:


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



Action:


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