Sage 100

I am getting this error message when I am going to rename these items. Has anyone every encountered this? I've never seen it before.

Hi, Let me start by saying I am new to MAS90. The issue we have is trying to create an 846 doc (using Gentran Director). We have a report called Inventory Stock Status Report, that give's the information that I need for my 846 document. but when I try…