The following is the ORA-21560 error message, you can learn the cause and solution of the Oracle database error.

ORA-21560 argument string is null, invalid, or out of range

Cause: The argument is expecting a non-null, valid value but the argument value passed in is null, invalid, or out of range. Examples include when the LOB/FILE positional or size argument has a value outside the range 1 through (4GB – 1), or when an invalid open mode is used to open a file, and so on.

Solution: Check your program and correct the caller of the routine to not pass a null, invalid or out-of-range argument value.


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