EA494 - Extension & is not linked to basic type &

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SAP Error Message - Details

  • Message type: E = Error

  • Message class: EA - IDoc Basis Messages

  • Message number: 494

  • Message text: Extension & is not linked to basic type &

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  • What causes this issue?

    The segments of an extension can only be used in a view if the
    extension is linked to basic type assigned to the view. However,
    extension &v1& is not linked to basic type &v2&.

    System Response

    The operation was canceled.

    How to fix this error?

    Select an extension which is linked to the specified basic type or use
    a basic type to which the specified extension is linked.

    Procedure for System Administrators

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    Error message extract from SAP system. Copyright SAP SE.


  • What is the cause and solution for SAP error message EA494 - Extension & is not linked to basic type & ?

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SAP messages fall into 3 different categories: Error messages (message type = E), Warnings (W) or Informational (I) messages.

An error message will prevent you from continuing your work - it is a hard stop and you need to fix the error before you can proceed. A warning message will stop your work, however, you can then bypass the warning by pressing the Enter key on your keyboard. That said, it is still good practice to investigate the cause of the warning message and address it. An information message will not stop your work and is truly just for informational purposes.

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