Extension Compatibility Problem

If I include David Fisher’s Custom Library Messages version 28 in my WIP, the compiler chokes on a line in Conversation Framework version 8 by Eric Eve. Without CLM, CF compiles as expected. This same collision happens in a one-room test game. Both extensions are the current versions.

This happens on the line ‘now the current interlocutor is nothing’, which seems innocuous. It’s preceded by the code “To reset the interlocutor”, so I checked CLM – neither “interlocutor” nor “reset” is used in that extension, so I don’t think it can be a namespace clash. CLM does, however, use the value nothing quite extensively.

Can anyone see what the problem is? Thanks!