PCC-00053: FOR variable string is invalid type at line number in file string

oracle

PCC-00053: FOR variable string is invalid type at line number in file string
Cause: The count variable in a FOR clause has the wrong datatype. The datatype must be NUMBER or LONG (or be compatible with NUMBER or LONG).
Action: Check the declaration and check that the count variable has a datatype of NUMBER or LONG (or a compatible Oracle or host-language datatype).

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