Inbound partner profile does not exist

What causes this issue?

An inbound partner profile could not be found with the following key:
&v1&
This concerns key fields of table EDPI1:
- SNDPRT partner type of sender
- SNDPRN partner number of sender
- TEST test option
- STD EDI standard
- STDMES EDI message type
- STDVRS EDI version
- MESCOD message code
- MESFCT message function

How to fix this error?

Please check the inbound parameters of the partner profiles.
IF &DEVICE&='SCREEN'
<DS:TRAN.WE20>Execute function</>
ENDIF

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