How To Fix OO194 - The prefix "CX_" is reserved for exception classes


SAP Error Message - Details

  • Message type: E = Error

  • Message class: OO - Class Builder/API

  • Message number: 194

  • Message text: The prefix "CX_" is reserved for exception classes

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Smart SAP Assistant

  • What is the cause and solution for SAP error message OO194 - The prefix "CX_" is reserved for exception classes ?
    The SAP error message OO194, which states "The prefix 'CX' is reserved for exception classes," typically occurs when you are trying to create a class in ABAP (Advanced Business Application Programming) that uses the prefix "CX" for its name. In ABAP, the prefix "CX_" is reserved for standard exception classes, and using it for user-defined classes can lead to conflicts and confusion.
    
    Cause: The error is caused by attempting to define a class with a name that starts with "CX_". For example, if you try to create a class named CX_MyException, you will encounter this error because it violates the naming convention established by SAP.
    Solution: To resolve this error, you should rename your class to avoid using the "CX_" prefix. Here are some steps you can follow: Choose a Different Prefix: Use a different prefix for your custom exception classes. Common practices include using prefixes like Z_ or Y_, which are typically used for

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