Informix Error -685

-685 Function <function-name> returns too few values. </function-name>

The number of returned values from a function is less than the number of values that the caller expects.

Example of error:

CREATE ROUTINE testroutine (arg INT) RETURNING INT, INT; RETURN 1,2; END ROUTINE

UPDATE tab SET (c1, c2, c3) = (testroutine(1)); -- error