How To Fix SDDL_PARSER_MSG517 - The annotation "&1" is not allowed in table functions

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 517

• Message text: The annotation "&1" is not allowed in table functions

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG517 - The annotation "&1" is not allowed in table functions ?

  The SAP error message SDDL_PARSER_MSG517 indicates that there is an issue with the use of annotations in table functions within the SAP system. Specifically, the error states that the annotation "&1" is not allowed in table functions. This typically occurs when you are trying to use an annotation that is not supported in the context of a table function.
  Cause:
  The primary cause of this error is the inclusion of an unsupported annotation in the definition of a table function. In SAP ABAP, certain annotations are only applicable to specific types of objects (like CDS views, for example) and cannot be used in table functions. This can happen if:
  
  You mistakenly added an annotation that is not valid for table functions.
  You are using a custom or third-party annotation that is not recognized in the context of table functions.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Table Function Definition: Check the definition of your table function and identify the annotations that are being used. Look for the annotation mentioned in the error message.
  
  
  Remove Unsupported Annotations: If you find any annotations that are not allowed in table functions, remove them from the definition. You can refer to the SAP documentation or the ABAP Development Guide to see which annotations are valid for table functions.
  
  
  Use Valid Annotations: If you need to use annotations for specific functionalities, ensure that you are using only those that are supported for table functions. You may need to consider using a different type of object (like a CDS view) if the functionality you need requires specific annotations.
  
  
  Test the Changes: After making the necessary changes, activate the table function and test it to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for ABAP and CDS (Core Data Services) to understand the context and limitations of annotations in different object types.
  SAP Community: You can also check the SAP Community forums for discussions related to this error, as other developers may have encountered similar issues and shared their solutions.
  ABAP Development Tools: Use the ABAP Development Tools (ADT) in Eclipse to get better insights and suggestions while working with annotations and table functions.
  
  By following these steps, you should be able to resolve the SDDL_PARSER_MSG517 error and successfully define your table function without unsupported annotations.