How To Fix CHIP_API655 - Multiplicity of ports is different; combination skipped

SAP Error Message - Details

• Message type: E = Error

• Message class: CHIP_API - Messages for Generic CHIP Framework

• Message number: 655

• Message text: Multiplicity of ports is different; combination skipped

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CHIP_API655 - Multiplicity of ports is different; combination skipped ?

  The SAP error message CHIP_API655 indicates that there is a mismatch in the multiplicity of ports in a configuration, which prevents the system from processing a specific combination of components or services. This error typically arises in the context of SAP's Composite Application Framework (CAF) or when working with SAP's Business Process Management (BPM) and related technologies.
  
  Cause:
  The error occurs when:
  
  There is a discrepancy in the number of input or output ports defined for a service or component.
  The configuration of the components does not match the expected multiplicity (e.g., one component expects a single input while another provides multiple inputs).
  The service or component is trying to connect to another service or component that has a different number of ports defined.
  
  
  Solution:
  To resolve the CHIP_API655 error, you can take the following steps:
  
  
  Check Port Definitions:
  
  Review the port definitions of the components involved. Ensure that the multiplicity (number of instances) of input and output ports