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 How can I fix dovecot crashing with the Error: Panic: file imap-sieve-storage.c: line 216 (imap_sieve_add_mailbox_event) since upgrading to Plesk v18.0.76?

After upgrading to Plesk v18.0.76 dovecot keep crashing with the error: Feb 19 11:59:29 plesk01...