Oracle Error ORA-19204: Non-scalar value ‘string’ is marked as XML attribute

Oracle Error Message

ORA-19204: Non-scalar value ‘string’ is marked as XML attribute

Reason for the Error

Only scalar values (i.e. values which are not of object or collection type) can be marked as XML attribute,i.e. is prefixed by ‘@’. In this case, a non-scalar value was prefixed with ‘@’

Solution

Remove the ‘@’ sign, or make the value a scalar.