How To Fix SDDIC_ADT_DDLA052 - Annotation '&1' is not allowed for array types

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDIC_ADT_DDLA - Messages for Annotation Definition Design Time

• Message number: 052

• Message text: Annotation '&1' is not allowed for array types

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDIC_ADT_DDLA052 - Annotation '&1' is not allowed for array types ?

  The SAP error message SDDIC_ADT_DDLA052 indicates that there is an issue with the use of annotations in the context of array types in your ABAP code. Specifically, the error states that the annotation you are trying to use is not permitted for array types.
  Cause:
  This error typically arises when you attempt to apply an annotation that is not valid for an array type. In ABAP, certain annotations are only applicable to scalar types (like single values) and cannot be used with array types (like tables or lists). The error message indicates that the specific annotation you are trying to use (represented by &1) is not compatible with the data structure you are working with.
  Solution:
  To resolve this error, you should:
  
  
  Review the Annotation: Check the documentation for the specific annotation you are trying to use. Ensure that it is indeed applicable to the data type you are working with. If the annotation is not meant for array types, you will need to remove it or replace it with a suitable annotation.
  
  
  Modify the Data Structure: If the annotation is essential for your logic, consider whether you can change the data structure to a scalar type where the annotation is valid. This might involve changing how you handle the data.
  
  
  Use Alternative Approaches: If the annotation is not applicable to arrays, look for alternative ways to achieve your goal without using that specific annotation. This might involve restructuring your code or using different annotations that are compatible with array types.
  
  
  Consult Documentation: Refer to the official SAP documentation or the ABAP Development Tools (ADT) documentation for more information on the specific annotation and its usage.
  
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with the different data types in ABAP, especially the distinctions between scalar types and complex types (like arrays).
  Annotations in ABAP: Understand the purpose of annotations in ABAP and how they can be used to enhance metadata, especially in the context of OData services and UI annotations.
  SAP Community: If you are still facing issues, consider reaching out to the SAP Community or forums where you can find discussions related to similar errors and their resolutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.