SAP Note 17853 - ABAP/4 runtime error CONVERT_OVERFLOW in forecast

Symptom:

MC87; ABAP/4 runtime error CONVERT_OVERFLOW in forecast

Cause and prerequisites

Integer field too small -
Overflow when converting " 6.89000000000000E+12".

Solution
Change the data declaratoin. The termination occurred in ABAP/4 program "SAPMMCP6", Form routine "PRGRP_PROGNOSE_2".
statement: PP_RECH03 = PGABV-MENGE * PP_RECH01.
Please change the data declaration for PP_RECH03.
old: PP_RECH03 = type I,
new: PP_RECH03(16) type P.