How To Fix MO427 - Unable to write database record

SAP Error Message - Details

• Message type: E = Error

• Message class: MO - Modeling and Prototyping

• Message number: 427

• Message text: Unable to write database record

What causes this issue?

An error occurred when writing a data record to the primary table or to
the text table.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you have attempted to create a new record, check whether a data
record with the same key part already exists in the primary table or in
the text table. If so, change this entry.
If you have attempted to change a data record, check whether a
corresponding data record exists in the primary table or in the text
table and insert it if necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MO427 - Unable to write database record ?

  The SAP error message MO427 "Unable to write database record" typically occurs when there is an issue with writing data to the database. This can happen for various reasons, and understanding the cause is essential for finding a solution. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Database Locking Issues: The record you are trying to write may be locked by another user or process.
  Database Constraints: There may be constraints (like primary key, foreign key, or unique constraints) that are being violated when trying to write the record.
  Insufficient Authorizations: The user may not have the necessary permissions to write to the database table.
  Database Connection Issues: There may be problems with the connection to the database, such as network issues or database server downtime.
  Data Format Issues: The data being written may not conform to the expected format or data type defined in the database schema.
  Database Space Issues: The database may be out of space, preventing new records from being written.
  
  Solutions:
  
  Check for Locks: Use transaction codes like SM12 to check for locks on the database records. If a lock is found, you may need to wait for it to be released or contact the user who holds the lock.
  Review Constraints: Check the database constraints to ensure that the data being written does not violate any rules. This may involve checking for duplicate entries or ensuring that foreign key relationships are maintained.
  Verify Authorizations: Ensure that the user has the necessary authorizations to perform the write operation. This can be checked in transaction SU53 or by consulting with your SAP security team.
  Check Database Connection: Verify that the connection to the database is stable and that the database server is running. You can use transaction DB02 to monitor database performance and status.
  Validate Data: Ensure that the data being written is in the correct format and adheres to the expected data types. This may involve checking the data in the application or using debugging tools.
  Monitor Database Space: Check the available space in the database. If the database is full, you may need to archive old data or increase the database size.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to check locks), SU53 (to check authorization issues), and DB02 (to monitor database status).
  SAP Notes: Search for SAP Notes related to the error message MO427 in the SAP Support Portal. There may be specific notes that address known issues or provide additional troubleshooting steps.
  Logs and Traces: Review application logs (transaction SLG1) and system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.