How To Fix MAHD001 - Period indicator &1 is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: MAHD - Messages for Alternative Historical Data

• Message number: 001

• Message text: Period indicator &1 is not allowed

What causes this issue?

The
<DS:GLOS.3526C46EAFAB52B9E10000009B38F974>period indicator</> entered
is not valid.

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?

Use a valid period indicator. T, W, M and P are valid period
indicators.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MAHD001 - Period indicator &1 is not allowed ?

  The SAP error message MAHD001, which states "Period indicator &1 is not allowed," typically occurs in the context of Material Management (MM) or Production Planning (PP) when there is an issue with the period indicator used in a transaction or report. The period indicator is a key component in various SAP processes, as it defines the time frame for which data is being processed or reported.
  Cause:
  
  Invalid Period Indicator: The period indicator specified in the transaction is not valid for the current configuration or settings in the system.
  Configuration Issues: The period indicator may not be defined in the customizing settings for the relevant module (e.g., MM, PP).
  Data Entry Error: There may be a typographical error or incorrect selection made by the user when entering the period indicator.
  Period Status: The period for which the indicator is being used may be closed or not open for posting.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the relevant customizing settings in SAP (Transaction SPRO) and verify that the period indicator is correctly defined and allowed for the specific application area.
  Ensure that the period indicator is set up in the appropriate configuration for the fiscal year or period being processed.
  
  
  
  Verify Input:
  
  Double-check the input for the period indicator in the transaction. Ensure that it matches the expected format and values.
  If you are using a dropdown or selection list, ensure that the correct option is selected.
  
  
  
  Open Periods:
  
  Check the status of the periods in the relevant module (e.g., MM, PP). Ensure that the period you are trying to use is open for posting.
  You can check this in the transaction codes like OB52 (for financial periods) or similar transactions for other modules.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or help files related to the specific module you are working with to understand the valid period indicators and their configurations.
  
  
  
  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:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (Customizing), OB52 (Manage Posting Periods), and others related to your specific module.
  SAP Notes: Search for SAP Notes related to the error message MAHD001 in the SAP Support Portal for any known issues or patches.
  User Forums: Check SAP community forums or user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.