Group Modification Report Profiles

Group Modification Report Profiles

Can someone tell me if there is a maximum number of groups that can be added to a group modification Report profile.   What I am wanting to do is monitor all groups that are managed by a particular system.  I have the alerting and everything else set up and verified it is working.  But don't want to get deep in the configuration then find out I cannot add all of the groups.  I have roughly 1500 groups that I want to monitor.
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