Zigbee2MQTT 2.6.3 failed to start

Never happened before, and here we go again :). If your converters don’t load in the new Zigbee2MQTT 2.6.3 and show up as “invalid,” please, look inside this post.

You need to remove this text in the converter (not the whole line, just this exact text, including comma):

1
fz.ignore_basic_report,

Thereafter, don’t forget to delete “.invalid” from the converter file name and restart z2m.