Apply Config Error with Zulu, died in splice group 5400

Error(s) have occured, the following is the retrieve_conf output:
exit: 255
Unable to continue. died in splice ext-group  5400  in /drbd/httpd/www/html/admin/libraries/extensions.class.php on line 184
#0 /drbd/httpd/www/html/admin/modules/zulu/Zulu.class.php(289): extensions->splice('ext-group', 5400, 'cid', Object(ext_set), '', 1)
#1 /drbd/httpd/www/html/admin/libraries/BMO/DialplanHooks.class.php(107): FreePBX\modules\Zulu->doDialplanHook(Object(extensions), 'asterisk', 900)
#2 /drbd/asterisk/lib/bin/retrieve_conf(864): FreePBX\DialplanHooks->processHooks('asterisk', Array)
#3 {main}

I am unable to reproduce this, I assume your RMS Zulu module is completely up to date? The splice for Ring Group 5400 is failing, is there something unusual about this ring group on your system (does it even exist?). What is being set on the Zulu tab for this group?

Zulu is up to date, 13.0.51.3.
Ring group 5400 doesn’t exist. It may have in the past.

I have to disable Zulu, otherwise all Apply Configs fail with that error.

Thinking we need to see this in situ, can you open a commercial support ticket please?

Hi I have just tried installing zulu and get a similar error message and the apply config button fails to apply the config until i disable sangoma crm and zulu modules
error message im getting

exit: 255
Unable to continue. died in splice ext-queues  530  in /var/www/html/admin/libraries/extensions.class.php on line 184
#0 /var/www/html/admin/modules/zulu/Zulu.class.php(278): extensions->splice('ext-queues', 530, 'qcall', Object(ext_set))
#1 /var/www/html/admin/libraries/BMO/DialplanHooks.class.php(107): FreePBX\modules\Zulu->doDialplanHook(Object(extensions), 'asterisk', 900)
#2 /var/lib/asterisk/bin/retrieve_conf(864): FreePBX\DialplanHooks->processHooks('asterisk', Array)
#3 {main}

I am sure this is a bug, at least in my case it must have been, so please open a bug report on your issue.

I fixed it by adding the non existing ring group, that my machine was complaining about, reenabled Zulu, apply config and then deleted the ring group.

You can try that with your queue too.