Microsoft SQL Server database ranks third in the relational database, second only to Oracle and MySQL database. when using it, it is inevitable to encounter various problems and warnnings. You may be dba or a developer, I hope this content can help you solve SQL Server error number 18838.

Error number: 18838

Severity level: 16

Event logged: The Log Reader Agent encountered a NULL command that is not valid. Restart the agent if it has stopped. If the problem persists, reinitialize all subscriptions to the publication.