How To Fix MPD291 - &1; cycle unit is empty

SAP Error Message - Details

• Message type: E = Error

• Message class: MPD - Message Class for A&D MPD

• Message number: 291

• Message text: &1; cycle unit is empty

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPD291 - &1; cycle unit is empty ?

  The SAP error message MPD291, which states "Cycle unit is empty," typically occurs in the context of production planning and control, particularly when dealing with production orders, cycle times, or capacity planning. This error indicates that the system is unable to find a valid cycle unit for the operation or production process you are trying to execute.
  Causes:
  
  Missing Cycle Unit Definition: The cycle unit may not be defined in the master data for the material or production process.
  Incorrect Configuration: The configuration settings for the production process or routing may not be set up correctly, leading to an empty cycle unit.
  Data Inconsistency: There may be inconsistencies in the data related to the production order, routing, or work center.
  Routing Issues: The routing for the production order may not have been properly maintained, leading to missing cycle times or units.
  
  Solutions:
  
  
  Check Master Data:
  
  Verify that the cycle unit is defined in the material master or routing. You can do this by checking the relevant transaction codes (e.g., CA03 for routing).
  Ensure that the cycle time and unit of measure are correctly maintained.
  
  
  
  Review Routing:
  
  Check the routing associated with the production order to ensure that all operations have valid cycle times and units.
  If necessary, update the routing to include the missing cycle unit.
  
  
  
  Validate Work Center:
  
  Ensure that the work center used in the production order has the correct settings and that the cycle unit is defined.
  You can check this in the work center configuration (transaction code CR01 or CR02).
  
  
  
  Recreate Production Order:
  
  If the production order is corrupted or has missing data, consider deleting and recreating the production order.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific details related to the error message and its context.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with SAP experts for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CA03 (Display Routing), CR01 (Create Work Center), and CO02 (Change Production Order).
  SAP Notes: Check for any SAP Notes related to MPD291 for additional insights or patches that may address the issue.
  Training: Consider training sessions or resources on production planning and control in SAP to better understand the underlying processes and configurations.
  
  By following these steps, you should be able to identify the cause of the MPD291 error and implement a solution to resolve it.