How To Fix /SAPAPO/DC_MSG145 - Activity class has not been entered

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DC_MSG -

• Message number: 145

• Message text: Activity class has not been entered

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DC_MSG145 - Activity class has not been entered ?

  The SAP error message /SAPAPO/DC_MSG145 Activity class has not been entered typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a required field, specifically the activity class, is not filled in during the planning process. This can happen in various scenarios, such as when creating or modifying a planning object, or when executing a planning run.
  Cause:
  
  Missing Activity Class: The most common cause of this error is that the activity class field is left blank or not properly defined in the relevant planning object or transaction.
  Configuration Issues: There may be configuration issues in the APO system that prevent the activity class from being recognized or assigned correctly.
  Data Entry Errors: Users may inadvertently skip entering the activity class during data entry.
  
  Solution:
  
  Check Input Fields: Ensure that the activity class is filled in the relevant transaction or planning object. This may involve going back to the screen where the error occurred and entering the required information.
  Review Configuration: If the activity class is supposed to be automatically populated, check the configuration settings in the APO system to ensure that they are set up correctly. This may involve:
  
  Verifying the settings in the APO configuration for activity types and classes.
  Ensuring that the relevant master data (like resources or production versions) is correctly maintained.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the activity class relevant to your planning scenario.
  User Training: If this error is common among users, consider providing training or documentation to ensure that users understand the importance of entering the activity class.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like /SAPAPO/DP (Demand Planning), /SAPAPO/SNP (Supply Network Planning), or others related to planning activities.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with SAP experts who can provide more tailored assistance based on your specific system configuration and usage.
  
  By addressing the missing activity class and ensuring proper configuration, you should be able to resolve the error and continue with your planning activities in SAP APO.