problem with my site
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after the update an error appears on the site and it is inaccessible for the moment here the error message: Argument 1 passed to Troop \ PlaceholderImage \ Html \ Image :: __ construct () must be an instance of Concrete \ Core \ File \ File, instance of Concrete \ Core \ Entity \ File \ File
Did you upgrade from 5.7 to v8? If so, the troop Placeholder Images add-on may not support v8.
I recommend creating an add-on support question.
https://www.concrete5.org/marketplace/addons/troop-placeholder-image...