How To Fix SWDP_WB_CHIP017 - Port &1: The signature of &2 is not appropriate for a port

SAP Error Message - Details

• Message type: E = Error

• Message class: SWDP_WB_CHIP - Message Class

• Message number: 017

• Message text: Port &1: The signature of &2 is not appropriate for a port

What causes this issue?

An interface method or an interface event can only function as an inport
or outport of a CHIP if it has only one mandatory importing parameter,
or at least one optional importing parameter, and no mandatory changing
parameters.
The type of the parameter must be a table type defined in the data
dictionary, or a structure defined in the Data Dictionary. A type with
"TYPE REF TO" is not permitted.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

All interface methods and events permitted as inports or outports can be
selected using F4 help.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.