Hello @Cr4h ,
I'd advise calling our general support ASAP of the changes occurring, to see if an account rewind will be possible through our higher level technical team. If it's been more than 24 hours since the change, then the rewind is extremely unlikely to be successful.
Otherwise, the next step would be to speak with our Review team, which handles contact permissions and compliance, to see if the affected contacts can have their permissions changed back.
I'd advise not making any further changes to your contacts until the issue has been resolved.
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