Your story is confusing.
why can you issue 20 if you have just 10?
why do you want to check the WM inventory when you do a MM movement?
If that would be needed, then it is nothing else than an evidence that your stocks in IM and WM are inconsistent
Your story is confusing.
why can you issue 20 if you have just 10?
why do you want to check the WM inventory when you do a MM movement?
If that would be needed, then it is nothing else than an evidence that your stocks in IM and WM are inconsistent