How To Fix SAP_GUIDELINES120 - Class pool name: (&1) violates naming convention


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SAP_GUIDELINES - SAP ONLY: Check internal guidelines

  • Message number: 120

  • Message text: Class pool name: (&1) violates naming convention

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  • 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 SAP_GUIDELINES120 - Class pool name: (&1) violates naming convention ?

    The SAP error message SAP_GUIDELINES120 indicates that the class pool name you are trying to use does not comply with the naming conventions set by SAP. This error typically arises when the name of the class pool does not adhere to the required format or standards.

    Cause:

    The naming conventions for class pools in SAP are strict. Common reasons for this error include:

    1. Invalid Characters: The class pool name may contain invalid characters (e.g., special characters, spaces).
    2. Length Restrictions: The name may exceed the maximum length allowed (usually 30 characters).
    3. Prefix Requirements: The name may not start with the required prefix (e.g., Z or Y for custom objects).
    4. Reserved Names: The name may conflict with reserved names or existing SAP objects.

    Solution:

    To resolve this error, you should:

    1. Check Naming Conventions: Ensure that the class pool name follows the SAP naming conventions:

      • Use only alphanumeric characters and underscores.
      • Start the name with a Z or Y if it is a custom object.
      • Keep the name within the length limit (typically 30 characters).
    2. Rename the Class Pool: If the name is invalid, rename the class pool to a valid name that adheres to the conventions.

    3. Avoid Reserved Names: Make sure the name does not conflict with any existing SAP objects or reserved names.

    4. Use Transaction SE80: You can use transaction SE80 (Object Navigator) to create or modify class pools and check for naming issues.

    Related Information:

    • SAP Documentation: Refer to the official SAP documentation for guidelines on naming conventions for ABAP objects.
    • ABAP Development Guidelines: Familiarize yourself with the ABAP development guidelines provided by SAP, which include best practices for naming conventions.
    • Community Forums: If you continue to face issues, consider checking SAP community forums or SAP Notes for additional insights or similar cases.

    By following these steps, you should be able to resolve the error and successfully create or modify your class pool in SAP.

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