How To Fix MA646 - No fixed storage periodicity was maintained for info structure &

SAP Error Message - Details

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 646

• Message text: No fixed storage periodicity was maintained for info structure &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MA646 - No fixed storage periodicity was maintained for info structure & ?

  The SAP error message MA646 indicates that there is no fixed storage periodicity maintained for the specified information structure. This error typically arises in the context of Material Management (MM) and is related to the management of inventory and material movements.
  Cause:
  The error occurs when you attempt to execute a report or transaction that requires a fixed storage periodicity for a specific information structure, but this periodicity has not been defined in the system. The fixed storage periodicity is essential for the system to understand how often data should be aggregated or summarized for reporting purposes.
  Solution:
  To resolve the MA646 error, you need to maintain the fixed storage periodicity for the relevant information structure. Here are the steps to do this:
  
  
  Access the Information Structure Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the following path: 
  Logistics -> Material Management -> Information System -> Material -> Info Structure -> Maintain
  
  Alternatively, you can use transaction code OMI1 to directly access the info structure configuration.
  
  
  
  Select the Relevant Info Structure:
  
  In the info structure maintenance screen, enter the name of the info structure that is causing the error.
  
  
  
  Maintain Fixed Storage Periodicity:
  
  Look for the section where you can define the fixed storage periodicity.
  Enter the required periodicity (e.g., daily, weekly, monthly) based on your reporting needs.
  
  
  
  Save Your Changes:
  
  After entering the necessary information, save your changes.
  
  
  
  Re-run the Transaction:
  
  After maintaining the fixed storage periodicity, try to re-run the transaction or report that generated the error.
  
  
  
  Related Information:
  
  Info Structures: Info structures are used in SAP to collect and summarize data for reporting purposes. They are essential for analyzing material movements, inventory levels, and other key metrics.
  Periodic Data: The periodicity setting determines how often data is aggregated, which can impact the performance and accuracy of reports.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OMI1 (Maintain Info Structures) and MC21 (Display Info Structure) for managing and viewing info structures.
  
  If the issue persists after following these steps, it may be necessary to check for additional configuration settings or consult with your SAP support team for further assistance.