How To Fix /FTI/AUTHORING_ERROR042 - DPC EXT class '&1' has syntax errors

SAP Error Message - Details

• Message type: E = Error

• Message class: /FTI/AUTHORING_ERROR -

• Message number: 042

• Message text: DPC EXT class '&1' has syntax errors

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /FTI/AUTHORING_ERROR042 - DPC EXT class '&1' has syntax errors ?

  The SAP error message /FTI/AUTHORING_ERROR042 DPC EXT class '&1' has syntax errors typically indicates that there are syntax errors in the Data Provider Class (DPC) extension that you are trying to activate or use in your SAP system. This error is often encountered in the context of SAP Gateway and OData services.
  Cause:
  
  Syntax Errors: The most common cause is that there are actual syntax errors in the ABAP code of the DPC extension class. This could be due to missing semicolons, incorrect variable declarations, or other coding mistakes.
  Inconsistent Code: If the code was modified but not properly activated, it may lead to inconsistencies that trigger this error.
  Dependencies: If the DPC extension class relies on other classes or objects that have errors or are not activated, it can also lead to this error.
  Transport Issues: If the DPC extension was transported from another system and there were issues during the transport, it might lead to syntax errors.
  
  Solution:
  
  Check Syntax: Open the DPC extension class in the ABAP Workbench (transaction SE80 or SE24) and check for syntax errors. You can use the syntax check feature (Ctrl + F2) to identify any issues.
  Activate the Class: After correcting any syntax errors, make sure to activate the DPC extension class. This can be done by clicking the activate button or using the transaction SE80.
  Review Dependencies: Ensure that all dependent classes and objects are also activated and free of errors.
  Transport Management: If the issue arose after a transport, check the transport logs for any errors and ensure that all necessary objects were transported correctly.
  Debugging: If the error persists, consider debugging the OData service to see if there are any runtime issues that could be causing the error.
  
  Related Information:
  
  Transaction Codes: Use SE80 (Object Navigator) to navigate to the DPC class and SE24 (Class Builder) to check the class definition.
  Error Logs: Check the transaction SLG1 (Application Log) for any related logs that might provide more context on the error.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address known issues related to this error message.
  Documentation: Review the SAP Gateway documentation for best practices on creating and extending DPC classes.
  
  By following these steps, you should be able to identify and resolve the syntax errors in your DPC extension class.