Unable to lock row - Record currently unavailable errors Description When a record is being updated or created, we place a lock on that record to prevent another operation from updating the record at the same time and causing inconsistencies on the data. These locks normally last for a few seconds and when the lock is released, other operations can do whatever processing they are supposed to do on the record in question. However, a given transaction can only wait a maximum of 10 seconds for a lock to be released, otherwise it will time out. Resolution What and when records get locked depends on the operation you are performing and the main record you are working on. The Force.com Record Locking Cheatsheet provides detailed information on this and it's highly recommended that you familiarize yourself with its contents. Common Scenarios that prevent unlocking record a. Email-To-Case When an email is processed by email-to-case, triggers on the email message