A generic error occurred whilst trying to process a record. This could be as part of a simple contact, lead update with subscriber rules, a transactional email update, a merging of records etc.Check the message displayed alongside the error. Some common errors are:A Salesforce governor limit, (queries) was reached whilst trying to add records to Campaign Monitor. This can occur if a bulk operation has been executed and the number of records in each batch exceeds the limit. Try the operation again with a smaller batch size.Also check user have the correct permission set. See: Permissions
To see all maintenance codes please click here.