3 problems with my font

I work on my arabic font but I faced these problems and I don’t know what’s wrong with them

Where are you testing? Are those styles in one or two files?
In the later case, do you have the same feature code in both files.
Do you have the same anchors?

What do you mean by “activating OpenType”?

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I test the font on adobe illustrator

but when iam changed the font name and save it again
the problems have been solved

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