How To Fix 5D541 - Character &1 is not allowed in combination string from attribute &2

5D541 - Overview

• Message type: E = Error

• Message class: 5D - Error Messages for German Infotype Module Pools

• Message number: 541

• Message text: Character &1 is not allowed in combination string from attribute &2

What causes this issue?

The SI attributes and their compatibility have been entered in table
T5D1D with different attributes. Information on whether two attributes
are compatible, is stored in a combination string. The only valid
characters are 'X', 'W', 'O' or '-'.
Due to a customizing error, the character '&V1&' has been entered. This
entry cannot be processed.

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?

Procedure for System Administrators

Change the SI attribute &V2& entry correspondingly.
From here, you can go to the table maintenance by displaying the
<ZH>entry possibilities</> and then branching to the table, using
<ZH>maintain entries</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 5D541 - Character &1 is not allowed in combination string from attribute &2 ?

  The SAP error message 5D541 indicates that a character in a combination string is not allowed based on the attribute settings in the system. This error typically arises in the context of variant configuration or when dealing with characteristics and their allowed values in SAP.
  
  Cause:
  The error occurs when:
  
  A character (or value) that is not permitted for a specific attribute is being used in a combination string.
  The attribute settings may have restrictions on which characters or values can be used.
  The combination string may be constructed incorrectly, leading to the inclusion of invalid characters.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Attribute Settings:
  
  Go to the configuration of the characteristic (attribute) in question (attribute &2).
  Verify the allowed values and any restrictions that may be in place for the attribute.
  
  
  
  Review the Combination String:
  
  Identify the combination string that is causing the error (character &1).
  Ensure that the combination string only contains characters that are