How To Fix WN804 - SYST: error reading tab. & key: & & &

SAP Error Message - Details

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 804

• Message text: SYST: error reading tab. & key: & & &

What causes this issue?

The record specified with the following key fields cannot be read in
table &V1&:

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

Field 1: &V2&
Field 2: &V3&
Field 3: &V4&

System Response

How to fix this error?

Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WN804 - SYST: error reading tab. & key: & & & ?

  The SAP error message WN804 SYST: error reading tab. & key: & & & typically indicates an issue with reading a specific table in the SAP database. This error can occur for various reasons, including:
  Causes:
  
  Database Issues: There may be a problem with the database itself, such as corruption or inconsistency in the data.
  Authorization Issues: The user may not have the necessary permissions to access the specified table or key.
  Table Structure Changes: If the table structure has been modified (e.g., fields added or removed) and the application is trying to access it with an outdated structure, this error can occur.
  Transport Issues: If the table was recently transported from another system and the transport was not successful, it could lead to this error.
  Data Consistency Issues: There may be inconsistencies in the data that prevent it from being read correctly.
  
  Solutions:
  
  Check Database Health: Use database tools to check for corruption or inconsistencies. If issues are found, you may need to restore from a backup or run repair utilities.
  Verify Authorizations: Ensure that the user has the necessary authorizations to access the table and the specific keys being referenced in the error message.
  Review Table Structure: Check if there have been any recent changes to the table structure. If so, ensure that the application is updated to reflect these changes.
  Transport Logs: Review transport logs to ensure that the transport of the table was successful. If there were errors, you may need to re-transport or fix the issues.
  Data Consistency Checks: Run consistency checks on the data to identify and resolve any inconsistencies.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary) to check the table structure and SE16 (Data Browser) to view the data in the table.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Review 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.