The error mentioned on 2017-08-18 proved to be of a different origin and has been sorted out via ejabbered configuration - changing max_stanza_size (as described in bug https://bugs.launchpad.net/evergreen/+bug/1713324).
The error mentioned on 2017-08-18 proved to be of a different origin and has been sorted out via ejabbered configuration - changing max_stanza_size (as described in bug https:/ /bugs.launchpad .net/evergreen/ +bug/1713324).