problem in accounting type m

hi Co Guru...

when i do GR with t code mb31 movement type..101..

showing the message..

mesage type; F5714..

ACCOUNTING TYPE M AND G/L ACCOUNT WITH OPEN ITEM MANAGEMENT NOT PERMITTED....

PROCEDURE...

CHANGE THE MASTER DATA FOR G/L ACCOUNT 3900 IN COMPANY CODE V3& ACCORDINGLY..

kindly plz suggest me...

Thanx

regards