The return message is :
SMM 356The material 576 has been created or extended
And in the returnmessages table there is these messages :
T ID NUM MESSAGE
H MK 102 Trying to create: 576 Z002 ____ ____ __________ ____ __ ___ ___
S MG 160 The material cannot be maintained since no maintainable data transferred
H MK 103 Trying to change: 576 Z002 ____ ____ __________ ____ __ ___ ___
S M3 810 No changes made
( There are results for MARC, I got the same problem with that table that the one I get with MARM )