How To Fix C$750 - You cannot maintain class types for source categories 0, 1, 2, and 3

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 750

• Message text: You cannot maintain class types for source categories 0, 1, 2, and 3

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 C$750 - You cannot maintain class types for source categories 0, 1, 2, and 3 ?

  The SAP error message C$750 indicates that you are trying to maintain class types for source categories 0, 1, 2, and 3, which is not allowed. This error typically occurs in the context of classification in SAP, particularly when dealing with material master data or classification systems.
  Cause:
  The error arises because:
  
  Source categories 0, 1, 2, and 3 are predefined categories in SAP that are not meant to be modified or maintained in the same way as other categories. These categories are typically reserved for specific system functions or standard classifications.
  You may be attempting to assign class types to these categories, which is not permitted by the system.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check the Source Category: Ensure that you are not trying to maintain class types for the restricted source categories (0, 1, 2, and 3). If you need to classify materials or objects, use other source categories that are allowed for maintenance.
  
  
  Use Appropriate Class Types: If you need to create or maintain class types, ensure that you are using valid source categories that allow for such maintenance. You can check the configuration in the classification system to identify which categories are available for your use.
  
  
  Review Configuration: If you believe you should be able to maintain class types for a specific category, review the configuration settings in the SAP system. You may need to consult with your SAP administrator or a functional consultant to understand the classification settings and make necessary adjustments.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more information on classification and source categories. This can provide insights into the limitations and proper usage of class types.
  
  
  Seek Support: If the issue persists and you are unsure how to proceed, consider reaching out to SAP support or your internal IT support team for assistance.
  
  
  Related Information:
  
  Classification in SAP: Understanding how classification works in SAP can help you navigate issues related to class types and source categories. Familiarize yourself with the classification system and its components.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on classification issues.
  Training and Documentation: If you are frequently working with classification in SAP, consider undergoing training or reviewing documentation to better understand the system's capabilities and limitations.
  
  By following these steps, you should be able to address the C$750 error and continue with your classification tasks in SAP.