How To Fix SG823 - Instance &1, validation of logical file names is not active

SG823 - Overview

• Message type: E = Error

• Message class: SG - Global Pool for Cross-Application Developments

• Message number: 823

• Message text: Instance &1, validation of logical file names is not active

What causes this issue?

The value <ZH>off</> of the instance profile parameter <ZH>
abap/path_normalization</> deactivates the check logic of the function
module FILE_VALIDATE_NAME. This deactivates an important security
function that protects against directory file traversal.

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?

Set the instance profile parameter abap/path_normalization to a suitable
value. For more information, see SAP Note 2551541.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

SG823 - Details

• The SAP error message SG823 indicates that the validation of logical file names is not active for the specified instance. This error typically arises when there is an issue with the configuration of logical file names in the SAP system, which can affect file handling and processing.
  
  Cause:
  
  Inactive Validation: The validation for logical file names is not activated in the system configuration.
  Incorrect Configuration: The logical file names may not be properly defined or configured in the system.
  Instance-Specific Settings: The error may be specific to the instance you are working with, meaning that the settings for that instance do not allow for the validation of logical file names.
  
  
  Solution:
  To resolve the SG823 error, you can follow these steps:
  
  
  Check Logical File Name Configuration:
  
  Go to transaction code FILE (or AL11 for file directories) to check the logical file names defined in the system.
  Ensure that the logical file names you are using are correctly defined in