Answer / guest

Cause: A variable was referenced in a way that is
inconsistent with its datatype. For example, a scalar
variable might have been mistakenly referenced as a record,
as follows: DECLARE CURSOR emp_cur IS SELECT empno, ename,
sal FROM emp; emp_rec emp_cur%ROWTYPE; my_sal NUMBER(7,2);
BEGIN ... total_sal := total_sal + my_sal.sal; -- invalid ...

Action: Check the spelling of the variable name. Make sure
the variable was declared properly and that the declaration
and reference are consistent regarding datatype.

Please add more information about this Error

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