How To Fix DA555 - The following active nametab columns do not exist in the DB

SAP Error Message - Details

• Message type: E = Error

• Message class: DA - Dictionary: Compare, distribution, timer, instantiation

• Message number: 555

• Message text: The following active nametab columns do not exist in the DB

What causes this issue?

When a table is activated, a runtime object (nametab) is generated
which summarizes the the table information relevant to the runtime
environment. The components of the runtime environment (ABAP/4 programs,
Screen Painter, etc.) get the information for the table from this
runtime object. The fields in the list which follows exist in the
nametab but are not created in the database 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?

Please check how this inconsistency between the nametab and the
database came about. You can eliminate it using the the database
utility (SE14).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DA555 - The following active nametab columns do not exist in the DB ?

  The SAP error message DA555 indicates that there is a mismatch between the active nametab columns defined in the SAP system and the actual columns present in the database. This typically occurs when there have been changes to the database structure, such as modifications to the table definitions, or when the system is not properly synchronized with the database.
  Cause:
  
  Database Changes: Changes made directly to the database (e.g., adding, renaming, or deleting columns) without corresponding updates in the SAP system can lead to this error.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production) and the transport did not include all necessary objects, this error may occur.
  System Upgrade: During an upgrade, if the nametab is not properly updated, it can lead to discrepancies.
  Custom Development: Custom developments that modify database tables without proper adjustments in the nametab can also cause this issue.
  
  Solution:
  
  Check Database Structure: Verify the actual structure of the database table in question. Ensure that all expected columns are present.
  Regenerate Nametab: You can regenerate the nametab for the affected table. This can be done using transaction SE11 (Data Dictionary) or SE14 (Database Utility). 
  
  In SE11, select the table and choose "Utilities" -> "Table Maintenance" -> "Regenerate Nametab".
  
  
  Transport Requests: If the issue is due to missing transports, ensure that all relevant transport requests have been imported correctly.
  Check for Modifications: Review any custom developments or modifications that may have affected the table structure and ensure they are correctly implemented.
  Database Consistency Check: Use transaction SE14 to perform a consistency check on the database objects. This can help identify and resolve inconsistencies.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE80 (Object Navigator).
  SAP Notes: Always check for specific SAP Notes related to your version of SAP and the error message DA555 for any patches or updates that may resolve the issue.
  Backup: Before making any changes, ensure that you have a backup of your database and relevant configurations to prevent data loss.
  
  If the issue persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.