No data payload in /AIF/ERR

[manoj_goyal2]

Hi AIF Gurus,

This is my first AIF interface between S/4HANA and PO 7.5.

Data from PO is posted in SAP table successfully but I am not able to see the data in t-code /AIF/ERR. When I double click the structure, I get message -Message payload is not available( Message no. /AIF/ENGINE_WEBSERV 001)

I also turned on logging for asyncronous messages in SXMB_ADM : Engine Configuration > Category: RUNTIME-add new parameter 'LOGGING' with value '1'. I also added TRACE_LEVEL with value '3'.

I found no entries in t-code SXMB_MONI for the interface.

Please give me pointers to resolve this issue.