Answer / guest

Cause: An assignment target was declared that lacks the
components needed to store the assigned values. For example,
this error occurs if you try to assign a row of column
values to a variable instead of a record, as follows:
DECLARE dept_rec dept%ROWTYPE; my_deptno dept.deptno%TYPE;
... BEGIN SELECT deptno, dname, loc INTO my_deptno --
invalid FROM dept WHERE ...

Action: Check the spelling of the names of the assignment
target and all its components. Make sure the assignment
target is declared with the required components and that the
declaration is placed correctly in the block structure.

Please add more information about this Error

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