Describe the problem

LUA error when joining a raid in AV

What steps will reproduce the problem?

1. Joining AV

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What version of the addon are you using? (Stating 'latest' is not useful)

10.0.12

Do you have an error log of what happened?

Any additional information? (example: WoW language if not English)

Thanks for reporting this. I don't understand how this error was caused but hopefully it shouldn't happen again.