Hi!
If the staging and the live environments are the same, the most probable issue is a corrupted file. Try completely deleting the plugin via the plugin manager and installing again. If it’s a file corruption issue, it will solve it. Otherwise it’s impossible to tell without debugging through the code during activation. An error log might also help, there might be an indication of something before the crash.
We don’t have any known incompatibilities with other plugins for version 4.9.8, if that is the case, it is unknown yet.
Best,Ernest Marcinko
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