Global I /O’s do not work and the CommServerlogs.txt show “Panel not in Zone” event

Global I /O’s do not work and logs mention an “Panel not in Zone” event “PanelNotInZone”
This is caused by a Monitoring zone of ID=0, and this is not supported.

This is caused by a Monitoring zone of ID=0, and this is not supported.
To confirm run the following SQL Query;
select MZID from MONZONE
If you have a Monitoring zone with an ID=0, It must be removed.
NOTE: You may have to enable the below debug from ACS.ini to see the error:

Add a [Linkageserver] section if it does not already exist
Add the following line directly under it GlobalIODebugFile=1
Restart and it will create a debug file called GlobalIODebugFile.txt

OnGuard (All versions)