Using the "Recurring General Journals" screen within BC, I am trying to post recurring entries which have been posted every month for the past year without issue. I posted some about two weeks ago as well without any issues. Starting yesterday when I tried to post some of our existing entries I received the below message:

I've checked the open posting periods, as well as all of the fields that we normally need to have completed, and they are all correct. I've also tried posting entries from other batches and "Entity Codes", and also created new recurring entries, and still encountered the same error message. We use BC along with MEM (Multi Entity Management) so not sure if it's the MEM piece that's causing the error.
Any help would be appreciated, thanks.