How To Fix OO_SOURCE_BASED017 - Internal Error: Unexpected object type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: OO_SOURCE_BASED - WB - Class Builder - Messages for the source-b. Class Editor

• Message number: 017

• Message text: Internal Error: Unexpected object type &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message OO_SOURCE_BASED017 - Internal Error: Unexpected object type &1 ?

  The SAP error message "OO_SOURCE_BASED017 Internal Error: Unexpected object type &1" typically indicates that there is an issue with the object type being processed in the context of Object-Oriented programming in ABAP. This error can occur in various scenarios, such as when working with classes, interfaces, or other object types in the SAP system.
  Cause:
  
  Invalid Object Type: The error usually arises when the system encounters an object type that it does not recognize or is not expected in the current context.
  Corrupted or Incomplete Object: The object might be corrupted or not fully defined, leading to unexpected behavior.
  Inconsistent Data: There may be inconsistencies in the data or metadata related to the object being processed.
  System Bugs: Occasionally, this error can be triggered by bugs in the SAP system or specific versions of the software.
  
  Solution:
  
  Check Object Definition: Verify that the object type referenced in the error message is correctly defined and exists in the system. Ensure that all necessary components (like methods, attributes, etc.) are properly implemented.
  Recompile the Object: If the object is a class or interface, try recompiling it. This can sometimes resolve issues related to outdated or corrupted metadata.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and support packages. Sometimes, these errors are resolved in newer versions of the software.
  Debugging: Use the ABAP debugger to trace the execution flow leading to the error. This can help identify the specific point where the unexpected object type is encountered.
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be known issues or fixes available.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  Related Information:
  
  ABAP Object-Oriented Programming: Familiarize yourself with the principles of object-oriented programming in ABAP, as understanding the structure and behavior of classes and interfaces can help in troubleshooting.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues. Sharing experiences can lead to solutions or workarounds.
  Documentation: Review the official SAP documentation for any guidelines or best practices related to object-oriented programming in ABAP.
  
  By following these steps, you should be able to diagnose and potentially resolve the "OO_SOURCE_BASED017 Internal Error: Unexpected object type &1" error in your SAP environment.