Logs:

which points to this line:
https://github.com/lucaargolo/entity-banners/blob/1.19/src/main/kotlin/io/github/lucaargolo/entitybanners/EntityBanners.kt#L141

The partial solution here is to disable either shouldBroadcastToEveryone or shouldBroadcastWhenGivenBanner by setting them to false in the config to prevent the line from executing, but it would be nice that this should be addressed.