Bug in Mailman version 2.1.12.cp3 message on cPanel server

You might have received the following error while accessing your mailing list after recent cPanel update: ———————————– Bug in Mailman version 2.1.12.cp3 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...

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