PLS-00307: too many declarations of 'string' match this call



PLS-00307: too many declarations of 'string' match this call..

Answer / guest

Cause: The declaration of a subprogram or cursor name is
ambiguous because there was no exact match between the
declaration and the call and more than one declaration
matched the call when implicit conversions of the parameter
datatypes were used. The subprogram or cursor name might be
misspelled, its declaration might be faulty, or the
declaration might be placed incorrectly in the block structure.

Action: Check the spelling and declaration of the subprogram
or cursor name. Also confirm that its call is correct, its
parameters are of the right datatype, and, if it is not a
built-in function, that its declaration is placed correctly
in the block structure.

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