Please help it’s a nightmare 
i have try these solution, they not working :
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remove all external storage
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Disable theming extension and fixe the permissions on the data folder
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scan new files via command line
the last thing i don’t have try is to restore the database from a previous backup but i has fear to destroy my cloud 
Edit : when i disable the extension “theming”, all domain name access are break, with the same error. Possible the problem come from the theming extension.