fn!executestoredprocedure error

simple expression rule using fn!executestoredprocedure gives me "java.lang.Integer cannot be cast to java.lang.Long" error, while smart service works fine in process model.

SP code:
CREATE PROCEDURE SCL_SumContract_Dealer (
IN dealer_id int,
OUT total_value int
)
BEGIN
          SELECT SUM(price) INTO total_value FROM contract
          WHERE contractstatus_status_id = 1 AND dealer_dealer_id = dealer_id;
END

OriginalPostID-255998


test_sp.txt

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