No entry & in communication table

What causes this issue?

The file path is not contained in the communication file.

System Response

The system terminates the transfer.

How to fix this error?

Use transaction SM31 to maintain entry SHE-IMP in table TXCOM. Enter
the path name in field TP, e.g. /usr/sap/tmp/

Error message extract from SAP system. Copyright SAP SE.