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ORA-06567:

invalid number of values specified
Cause: An invalid number of values to be bound was specified in a call to the procedure BIND_VARIABLE in the package DBMS_SQL. In order to execute a given parsed statement in a given cursor, the same number of values must have been bound for all bind variables, so when EXECUTE is called, the latest calls to BIND_VARIABLE must must have specified the same number of values to be bound for all bind variables.
Action: Make sure that the same number of values have been bound for all of the bind variables.