How To Fix SDDIC_DDLA_ANNOCHECK078 - Reference to class must start with 'ABAP:'

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDIC_DDLA_ANNOCHECK - Messages for annotation usage check

• Message number: 078

• Message text: Reference to class must start with 'ABAP:'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDIC_DDLA_ANNOCHECK078 - Reference to class must start with 'ABAP:' ?

  The SAP error message SDDIC_DDLA_ANNOCHECK078 indicates that there is an issue with the reference to a class in your ABAP code. Specifically, the error states that the reference to the class must start with 'ABAP:'. This typically occurs when you are trying to use a class that is not properly defined or referenced in the ABAP environment.
  Cause:
  
  Incorrect Class Reference: The class name you are trying to use does not start with the prefix 'ABAP:', which is required for ABAP classes.
  Namespace Issues: The class might be in a different namespace or not properly defined in the system.
  Typographical Errors: There could be a typo in the class name or the way it is referenced in the code.
  
  Solution:
  
  
  Check Class Name: Ensure that the class name you are referencing starts with 'ABAP:'. For example, if you are trying to reference a class named MyClass, it should be referenced as ABAP:MyClass.
  
  
  Verify Class Existence: Make sure that the class you are trying to use actually exists in the system. You can do this by checking in the ABAP Class Builder (transaction SE24) or using the Object Navigator (transaction SE80).
  
  
  Namespace Configuration: If you are working with custom classes, ensure that they are defined in the correct namespace. Custom classes should typically be prefixed with a namespace that you have defined.
  
  
  Correct Typographical Errors: Double-check your code for any typos in the class name or the way it is referenced.
  
  
  Use the Correct Syntax: Ensure that you are using the correct syntax for referencing classes in your ABAP code. For example:
  DATA: my_object TYPE REF TO ABAP:MyClass.
  
  
  Related Information:
  
  ABAP Class Naming Conventions: Familiarize yourself with the naming conventions for ABAP classes, which typically include prefixes to avoid naming conflicts.
  Documentation: Refer to the official SAP documentation for more details on class definitions and usage in ABAP.
  Debugging: If the issue persists, consider using the ABAP debugger to trace where the error occurs in your code.
  
  By following these steps, you should be able to resolve the error message SDDIC_DDLA_ANNOCHECK078 and successfully reference the class in your ABAP program.