How To Fix SADL_ANNOTATION002 - Invalid string literal: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_ANNOTATION - Annotation handling related messages

• Message number: 002

• Message text: Invalid string literal: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_ANNOTATION002 - Invalid string literal: &1 ?

  The SAP error message SADL_ANNOTATION002 with the description "Invalid string literal: &1" typically occurs in the context of the SAP ABAP programming environment, particularly when working with the SAP Data Access Layer (SADL) and annotations in OData services.
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Invalid String Literal: The string literal provided in the annotation is not correctly formatted or is not valid according to the expected syntax. This could be due to missing quotes, incorrect escape sequences, or unsupported characters.
  
  
  Incorrect Annotations: The annotations defined in the metadata or the OData service might not conform to the expected structure or might be referencing non-existent entities or properties.
  
  
  Data Type Mismatch: The data type of the string literal might not match the expected data type in the context where it is being used.
  
  
  Solution:
  To resolve the SADL_ANNOTATION002 error, you can take the following steps:
  
  
  Check the String Literal: Review the string literal that is causing the error. Ensure that it is properly formatted, enclosed in quotes, and does not contain any invalid characters.
  
  
  Validate Annotations: Go through the annotations defined in your OData service or metadata. Ensure that they are correctly defined and that all referenced entities and properties exist and are correctly spelled.
  
  
  Review Data Types: Make sure that the data types of the string literals match the expected types in the context of their usage. If a string is expected, ensure that you are not passing a numeric or other type.
  
  
  Debugging: If the error persists, consider using debugging tools in the ABAP environment to trace where the error is being triggered. This can help identify the exact location and context of the issue.
  
  
  Consult Documentation: Refer to the SAP documentation for SADL and OData services to ensure that you are following the correct guidelines for annotations and string literals.
  
  
  SAP Notes and Community: Check for any relevant SAP Notes or community discussions that might address similar issues. Sometimes, specific versions of SAP may have known issues that are documented.
  
  
  Related Information:
  
  SAP Documentation: Look for official SAP documentation on SADL and OData services for detailed guidelines on annotations and string literals.
  SAP Community: Engage with the SAP Community forums where other developers may have encountered similar issues and can provide insights or solutions.
  SAP Notes: Search for SAP Notes related to SADL and OData to find any patches or updates that may resolve the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the SADL_ANNOTATION002 error in your SAP environment.