Apparently this error message is showing up on my admin panel for my list, and no more emails are flowing through. Anyone else run into this and resolved it here? I see discussions on the cpanel forum about this, but nothing here yet.
Bug in Mailman version 2.1.23
We're sorry, we hit a bug!
Please inform the webmaster for this site of this problem. Printing of traceback and other system information has been explicitly inhibited, but the webmaster can find this information in the Mailman error logs.