How To Fix CHIP_API666 - No proposal for outport &1 inport &2 because of mandatory parameter &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CHIP_API - Messages for Generic CHIP Framework

• Message number: 666

• Message text: No proposal for outport &1 inport &2 because of mandatory parameter &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_API666 - No proposal for outport &1 inport &2 because of mandatory parameter &3 ?

  The SAP error message CHIP_API666 indicates that there is an issue with the configuration of a Composite Application Framework (CAF) or a Web Dynpro application, specifically related to the handling of input and output parameters in a component interface. The message suggests that there is no proposal for the specified outport and inport due to a missing mandatory parameter.
  
  Cause:
  
  Missing Mandatory Parameter: The error typically arises when a mandatory parameter required for the communication between components is not provided or is incorrectly configured.
  Incorrect Mapping: There may be an issue with how the input and output parameters are mapped between the components.
  Component Configuration: The configuration of the component might not be set up correctly, leading to the inability to find a suitable proposal for the specified ports.
  
  
  Solution:
  
  
  Check Parameter Configuration:
  
  Review the configuration of the component to ensure that all mandatory parameters are defined and correctly set.
  Verify that the parameter specified in the error