Help with TPS issues!

Hi! I'm having some issues with TPS that I did not encounter earlier in my 1.20.1 Forge server's lifespan. I'm not quite sure how to use Spark to identify the problem, so I would like some help diagnosing it! In addition, could anyone point me to any resources that would help me understand Spark profiler data, and common issues causing TPS lag on modded servers? Thank you!

Here's the Spark profiler results: https://spark.lucko.me/nTKD3dk5UG
spark is a performance profiler for Minecraft clients, servers, and proxies.
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