How To Fix /SAPAPO/MSDP_DIS042 - No work days within horizon: Disaggregation not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MSDP_DIS -

• Message number: 042

• Message text: No work days within horizon: Disaggregation not possible

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 /SAPAPO/MSDP_DIS042 - No work days within horizon: Disaggregation not possible ?

  The SAP error message /SAPAPO/MSDP_DIS042 No work days within horizon: Disaggregation not possible typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system is unable to find any valid workdays within the specified planning horizon for disaggregation processes. This can happen during the planning process when the system tries to break down aggregated data into more detailed levels but finds that there are no available workdays to perform this operation.
  Causes:
  
  Calendar Settings: The work calendar may not be set up correctly, or there may be no workdays defined within the planning horizon.
  Planning Horizon: The planning horizon may be set too short or may not include any valid workdays.
  Resource Availability: Resources may not be available for the specified time period, leading to no workdays being recognized.
  Disaggregation Settings: The settings for disaggregation may not be configured properly, leading to issues in recognizing workdays.
  
  Solutions:
  
  
  Check Work Calendar:
  
  Go to the transaction code SCAL (Maintain Calendar) and verify that the work calendar is correctly defined and includes valid workdays for the relevant period.
  Ensure that the calendar is assigned to the relevant planning area.
  
  
  
  Review Planning Horizon:
  
  Check the planning horizon settings in the relevant planning book or profile. Ensure that the horizon includes days that are marked as workdays.
  Adjust the planning horizon if necessary to include more days.
  
  
  
  Resource Availability:
  
  Verify the availability of resources in the relevant time frame. Ensure that resources are not blocked or unavailable during the planning period.
  Check the resource calendar settings to ensure they align with the work calendar.
  
  
  
  Disaggregation Configuration:
  
  Review the disaggregation settings in the planning book. Ensure that the disaggregation method is correctly set up and that it can recognize workdays.
  Check if any filters or restrictions are applied that might be excluding workdays.
  
  
  
  Data Consistency:
  
  Ensure that the data being used for disaggregation is consistent and correctly formatted. Any discrepancies in data can lead to issues during disaggregation.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to this error message for any specific guidance or updates that may apply to your version of SAP APO.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SCC4 (Client Administration), SCAL (Maintain Calendar), and SNP1 (SNP Planning Book) for checking settings.
  SAP Notes: Search for SAP Notes related to this error message for any patches or updates that may resolve the issue.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement the necessary changes to resolve it.