Hello Ashok,
You need to visit these User-exits.
MBCF0002
MBCF0005
MBCF0006
MBCF0007
MBCF0009
MBCFC003
MBCFC004
MBCFC010
One or more of these expected be able to stop user for Movement type (BWART) 261 for a particular Order (AUFNR) i.e, Goods Issue. You need to research with your ABAPer. This being MM domain I'm not fully equipped to test it for you.
KJogeswaraRao