It is a violation of the gdpr to not the user why he was suspended, sharing any data about why with the user, not allowing him to correct the data if they are w

It is a violation of the gdpr to not the user why he was suspended, sharing any data about why with the user, not allowing him to correct the data if they are wrong or not allowing decisions made by algorithms to be appealed for human review. Missing any of those and you might be subject to fines, although this only applies to human customers.