How To Fix CONHISTORY002 - Specify a class for the activity

SAP Error Message - Details

• Message type: E = Error

• Message class: CONHISTORY - Messages for Workspace Contact History

• Message number: 002

• Message text: Specify a class for the activity

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 CONHISTORY002 - Specify a class for the activity ?

  The SAP error message CONHISTORY002 ("Specify a class for the activity") typically occurs in the context of SAP's Controlling (CO) module, particularly when dealing with activity types and cost centers. This error indicates that the system requires a class to be specified for an activity, but it has not been provided.
  Cause:
  
  Missing Class Assignment: The activity type you are trying to use does not have a class assigned to it. In SAP, activity types can be categorized into different classes for better management and reporting.
  Configuration Issues: There may be a configuration issue in the controlling area or the activity type settings.
  Data Entry Error: The user may have missed entering the required class information when creating or modifying the activity.
  
  Solution:
  
  
  Check Activity Type Configuration:
  
  Go to the transaction code OKA0 (Activity Types) or OKA1 (Create Activity Type).
  Ensure that the activity type in question has a class assigned to it. If not, you will need to assign a class.
  
  
  
  Assign Class to Activity Type:
  
  If the class is missing, you can assign it by editing the activity type settings. Make sure to save your changes.
  
  
  
  Review Cost Center Settings:
  
  Check the cost center settings to ensure that they are correctly configured to use the activity type. You can do this in transaction code KS01 (Create Cost Center) or KS02 (Change Cost Center).
  
  
  
  Data Entry:
  
  If you are entering data manually, double-check that you have filled in all required fields, including the class for the activity.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct class to assign, consult your organization's documentation or reach out to your SAP support team for guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OKA0, OKA1, KS01, KS02, and KSU5 (for activity allocation).
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message.
  User Roles: Ensure that you have the necessary permissions to make changes to activity types and cost centers.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation.