How To Fix 56166 - & is not allowed (reserved for per-diem accounting)

SAP Error Message - Details

• Message type: E = Error

• Message class: 56 - HR TRAVEL: Messages for Trip Costs Dialog

• Message number: 166

• Message text: & is not allowed (reserved for per-diem accounting)

What causes this issue?

Trip expense type &v1& is defined as a per diem and can, therefore, not
be entered as an individual receipt.

How to fix this error?

Enter a trip expense type that can be accounted individually.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 56166 - & is not allowed (reserved for per-diem accounting) ?

  The SAP error message 56166 typically indicates that a certain action or transaction is not allowed because it is reserved for per-diem accounting. This error often arises in the context of travel management or expense reporting within SAP, particularly when dealing with per-diem allowances.
  Cause:
  The error message occurs when a user attempts to perform an action that is restricted due to the configuration of the system. Specifically, it may happen when:
  
  A user tries to enter or modify a travel expense that is not permitted under the per-diem accounting rules.
  The system is set up to only allow certain types of entries or modifications for per-diem expenses, and the action being attempted does not comply with these rules.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Configuration Settings: Review the configuration settings in the SAP system related to travel management and per-diem accounting. Ensure that the settings align with your organization's policies and that the user has the necessary permissions to perform the action.
  
  
  User Authorization: Verify that the user has the appropriate authorizations to enter or modify per-diem expenses. If not, the user may need to be granted additional permissions.
  
  
  Review Expense Types: Ensure that the expense type being used is appropriate for per-diem accounting. If the expense type is not configured for per-diem, it may need to be adjusted.
  
  
  Consult Documentation: Refer to SAP documentation or your organization's internal guidelines regarding per-diem accounting to understand the specific restrictions and requirements.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert who can provide further assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional context.
  Training and Documentation: Ensure that users are trained on the proper procedures for entering per-diem expenses and are aware of any restrictions in place.
  System Updates: Keep the SAP system updated, as newer versions may have resolved bugs or improved functionality related to travel and expense management.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.