How To Fix ON157 - Inconsistencies found on the database (&1/&2/&3/&4)

SAP Error Message - Details

• Message type: E = Error

• Message class: ON - Tools in area Object Modeler / Object Editor

• Message number: 157

• Message text: Inconsistencies found on the database (&1/&2/&3/&4)

What causes this issue?

Inconsistencies were found when reading from the database. This could
lead to the display of incomplete data in some cases.

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?

Execute the reports for checking the class library. Using these results
you can see where the problem lies.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ON157 - Inconsistencies found on the database (&1/&2/&3/&4) ?

  The SAP error message ON157 indicates that there are inconsistencies found in the database related to the object specified in the message. This error typically arises during operations that involve database integrity checks, such as when you are trying to access or manipulate data in the SAP system.
  Cause:
  The inconsistencies can be caused by various factors, including:
  
  Data Corruption: Issues during data entry, system crashes, or improper shutdowns can lead to corrupted data.
  Database Migration: If data has been migrated from one system to another, inconsistencies may arise if the migration process was not executed correctly.
  Custom Development: Custom programs or modifications that do not adhere to SAP standards can lead to inconsistencies.
  System Upgrades: Upgrading the SAP system without proper data validation can also result in inconsistencies.
  
  Solution:
  To resolve the ON157 error, you can follow these steps:
  
  
  Check the Error Message Details: The error message will usually provide specific details about the inconsistencies found. Review the details to understand which objects are affected.
  
  
  Run Database Consistency Checks: Use transaction codes like SE14 (Database Utility) or DB02 (Database Performance) to check for inconsistencies in the database. You can also use the SICK transaction to check for inconsistencies in the application.
  
  
  Repair Inconsistencies: Depending on the findings from the consistency checks, you may need to repair the inconsistencies. This can involve:
  
  Deleting or correcting corrupted entries.
  Rebuilding indexes.
  Running specific SAP reports or programs designed to fix inconsistencies.
  
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address the specific inconsistencies you are encountering. SAP Notes often provide solutions or workarounds for known issues.
  
  
  Backup and Restore: If the inconsistencies are severe and cannot be resolved through the above methods, consider restoring the database from a backup taken before the inconsistencies occurred.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. Provide them with the error details and any steps you have already taken.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE14, DB02, and SICK for database management and consistency checks.
  SAP Notes: Regularly check for updates and notes related to your SAP version, as they may contain important information regarding known issues and fixes.
  Documentation: Review SAP documentation for best practices on data management and integrity checks to prevent future inconsistencies.
  
  By following these steps, you should be able to identify and resolve the inconsistencies causing the ON157 error in your SAP system.