PLS-00155: Only a function may be a MAP, ORDER or CONSTRUCTOR method.

PLS-00155: Only a function may be a MAP, ORDER or
CONSTRUCTOR method.

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PLS-00155: Only a function may be a MAP, ORDER or CONSTRUCTOR method...

Answer / guest

Cause: A procedure was declared as a MAP, ORDER or
CONSTRUCTOR method. Only functions can be MAP, ORDER or
CONSTRUCTOR methods.

Action: none

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