Unable to find main plugin class: BetterChatNot An Issue

Unable to find main plugin class: BetterChat

No previous version to rollback plugin: BetterChat

That means your plugin is not complete, corrupt, or encoded wrongly; it isn't an issue with the plugin itself.

I'd suggest downloading/uploading it again, and making sure whatever you are using is not changing the encoding of it.

all 70 plugins are saying the same thing
In response to XNeo ():
all 70 plugins are saying the same thing
All 70 plugins would be unreadable then. ;)

Try one individually, and go from there in batches. Might be one messing up the compiling process as well.
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