How To Fix CHIP_API603 - Type of constant value &1 not compatible with parameter &2 of inport &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CHIP_API - Messages for Generic CHIP Framework

• Message number: 603

• Message text: Type of constant value &1 not compatible with parameter &2 of inport &3

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 CHIP_API603 - Type of constant value &1 not compatible with parameter &2 of inport &3 ?

  The SAP error message CHIP_API603 indicates that there is a type mismatch between a constant value being passed and the expected parameter type of an inbound port in a Composite Application Framework (CAF) or Web Dynpro application. This typically occurs when the data types of the values being used do not align with what the application expects.
  Cause:
  
  Type Mismatch: The constant value you are trying to use does not match the expected data type of the parameter defined in the inbound port. For example, if the parameter expects an integer and you are passing a string, this error will occur.
  Incorrect Configuration: The configuration of the inbound port may not be set up correctly, leading to the mismatch.
  Data Type Changes: If there have been changes in the data model or the types of the parameters in the inbound port, and the constant values have not been updated accordingly, this error can arise.
  
  Solution:
  
  Check Data Types: Review the data types of the constant value and the parameter in the inbound port. Ensure that they are compatible. You can do this by checking the definitions in the relevant Web Dynpro or CAF component.
  Update Constant Values: If the constant value is incorrect, update it to match the expected type. For example, if the parameter expects a numeric value, ensure that the constant is defined as a number.
  Review Inbound Port Configuration: Ensure that the inbound port is correctly configured and that the parameters are defined with the correct data types.
  Debugging: If you are unable to identify the issue, consider using debugging tools to trace the execution and see where the type mismatch occurs.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the expected data types for the parameters in your application context.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  Testing: After making changes, thoroughly test the application to ensure that the error is resolved and that the application behaves as expected.
  
  By following these steps, you should be able to resolve the CHIP_API603 error and ensure that your application functions correctly.