"I" Next to fixture intensity in EOS preventing it from being changed

Hello! We are renting an auditorium and as a somewhat beginner to EOS I noticed that some of the PARs they have have a "I" next to them, preventing them from their intensity being changed by the subs and commands (chan 62-78 intensity @ full) and they won't change. Can someone tell me how to fix this? Thank you!

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