How To Fix /SAPAPO/ATP434 - Characteristic &1 is an IBASE char. and is not allowed in the connection


SAP Error Message - Details

  • Message type: E = Error

  • Message class: /SAPAPO/ATP -

  • Message number: 434

  • Message text: Characteristic &1 is an IBASE char. and is not allowed in the connection

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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 /SAPAPO/ATP434 - Characteristic &1 is an IBASE char. and is not allowed in the connection ?

    The SAP error message /SAPAPO/ATP434 indicates that a characteristic you are trying to use in a connection is an IBASE (Installation Base) characteristic, which is not permitted in that context. This error typically arises in the Advanced Planning and Optimization (APO) module when dealing with characteristics in the context of Available-to-Promise (ATP) checks or similar operations.

    Cause:

    The error occurs because:

    • The characteristic specified (denoted as &1 in the error message) is defined as an IBASE characteristic in the system.
    • IBASE characteristics are typically used for managing installation base data and are not allowed in certain connections or contexts, such as ATP checks, where only specific types of characteristics are valid.

    Solution:

    To resolve this error, you can consider the following steps:

    1. Identify the Characteristic: Determine which characteristic is causing the error by checking the details provided in the error message.

    2. Review Characteristic Usage: Check the configuration of the characteristic in the SAP system. You can do this by navigating to the relevant customizing settings in the SAP GUI:

      • Go to transaction CT04 (Characteristic) and enter the characteristic name to review its settings.
      • Ensure that it is not marked as an IBASE characteristic if it is not intended to be used as such.
    3. Modify the Characteristic: If the characteristic is incorrectly set as an IBASE characteristic and should be used in the context you are working with, you may need to change its configuration. This may involve:

      • Changing the characteristic type or its settings.
      • Creating a new characteristic that is not an IBASE characteristic if the existing one cannot be modified.
    4. Adjust the Connection: If the characteristic is correctly defined as an IBASE characteristic and should remain so, you may need to adjust the connection or the process you are trying to execute to exclude this characteristic.

    5. Consult Documentation: Review SAP documentation or help resources related to IBASE characteristics and ATP to understand the limitations and best practices.

    6. Testing: After making changes, test the process again to ensure that the error is resolved.

    Related Information:

    • IBASE Characteristics: These are used in the context of managing installation base data, which includes tracking the physical locations and statuses of products.
    • ATP Checks: Available-to-Promise checks are used in supply chain management to determine the availability of products for customer orders.
    • SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.

    If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.

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