How To Fix OO617 - Exception classes must start with the prefix 'CX_'

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 617

• Message text: Exception classes must start with the prefix 'CX_'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO617 - Exception classes must start with the prefix 'CX_' ?

  The SAP error message OO617 indicates that there is an issue with the naming convention of exception classes in ABAP (Advanced Business Application Programming). In ABAP, exception classes are expected to follow a specific naming convention, which requires that all exception class names start with the prefix CX_. This is part of the object-oriented programming standards in ABAP to ensure consistency and clarity in the code.
  Cause:
  The error occurs when you attempt to define or use an exception class that does not adhere to this naming convention. For example, if you define an exception class named MyException instead of CX_MyException, you will encounter this error.
  Solution:
  To resolve this error, you need to rename the exception class to ensure it starts with the prefix CX_. Here are the steps to do this:
  
  
  Identify the Exception Class: Locate the exception class that is causing the error. This could be in your code or in a class definition.
  
  
  Rename the Exception Class: Change the name of the exception class to start with CX_. For example, if your class is named MyException, rename it to CX_MyException.
  
  
  Update References: After renaming the exception class, ensure that all references to this class in your code are updated to reflect the new name.
  
  
  Activate the Changes: Once you have made the changes, activate the class and any other affected objects in the ABAP Workbench.
  
  
  Test the Code: Run your program or function module again to ensure that the error has been resolved.
  
  
  Related Information:
  
  Naming Conventions: Following naming conventions in ABAP is crucial for maintainability and readability. Exception classes should always start with CX_, while other classes may have different prefixes based on their purpose.
  Exception Handling: Exception classes are used in ABAP to handle errors and exceptional situations in a structured way. Understanding how to define and use them properly is essential for robust ABAP programming.
  Documentation: Refer to the official SAP documentation on ABAP object-oriented programming for more details on exception handling and naming conventions.
  
  By adhering to these guidelines, you can avoid the OO617 error and ensure that your ABAP code is compliant with best practices.