How To Fix SWF_BND_001074 - An object compatible with '&1' was expected as the source expression

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_BND_001 - Messages for workflow binding class

• Message number: 074

• Message text: An object compatible with '&1' was expected as the source expression

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 SWF_BND_001074 - An object compatible with '&1' was expected as the source expression ?

  The SAP error message SWF_BND_001074 indicates that there is an issue with the binding of an object in a workflow or a similar context where an expected object type is not being met. Specifically, the message states that an object compatible with a specified type (represented by &1) was expected as the source expression, but the provided expression does not match the expected type.
  Cause
  This error typically arises in scenarios where:
  
  Type Mismatch: The data type of the source expression does not match the expected type. For example, if a function or method expects an object of a certain class or interface, but receives a different type, this error will occur.
  Incorrect Binding: In workflows or UI bindings, if the binding is incorrectly set up or if the source object is not properly defined, it can lead to this error.
  Missing Object: The expected object might not be instantiated or available in the context where it is being referenced.
  
  Solution
  To resolve the error, consider the following steps:
  
  
  Check Data Types: Verify that the data type of the source expression matches the expected type. You can do this by checking the definitions of the objects involved and ensuring they are compatible.
  
  
  Review Bindings: If you are working with workflows or UI elements, review the bindings to ensure they are correctly set up. Make sure that the source expression is correctly pointing to an object of the expected type.
  
  
  Debugging: Use debugging tools to trace the execution and identify where the type mismatch occurs. This can help you pinpoint the exact location in the code or configuration that is causing the issue.
  
  
  Initialization: Ensure that any objects that are expected to be available at runtime are properly initialized and instantiated before they are used.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific context in which you are encountering this error. There may be additional guidelines or examples that can help clarify the expected types and bindings.
  
  
  Check for Updates: Sometimes, errors can be related to bugs in the software. Ensure that your SAP system is up to date with the latest patches and updates.
  
  
  Related Information
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently publishes notes that provide solutions or workarounds for specific error messages.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues. They can provide insights or solutions based on their experiences.
  Documentation: Review the relevant SAP documentation for workflows, binding expressions, and object types to ensure you are following best practices.
  
  By following these steps, you should be able to identify and resolve the cause of the SWF_BND_001074 error in your SAP environment.