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

/SAPAPO/DC_MSG145 - Overview

• 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.

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

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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