Solved
Two target boxes in target instead of one

I cannot select or change the target as I get "Cannot find the main Appian window. Reopen that window and launch the modeler from there."
Is there a fix for this bug?

I cannot select or change the target as I get "Cannot find the main Appian window. Reopen that window and launch the modeler from there."
Is there a fix for this bug?
resetting cache and cookies fixed the issue for future reference
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