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

WN804 - Overview

• 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table structure has been modified (e.g., fields added or removed) and the application is trying to access it with an outdated structure, this error can occur.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