Communication with Non sap systems with IDOC_AAE using SAP PI 7.5

Hi Experts,

We have a challenges while sending and receiving Idocs from a Non SAP System like EDI or ASSIST via SAP PI 7.5.

We followed below blogs but still we have issues.

https://blogs.sap.com/2016/11/05/how-to-configure-idoc_aee-sap-to-non-sap-jco-system/ https://blogs.sap.com/2014/02/17/idoc-aae-non-sap-communication/

Below is error we are getting for receiver IDOC_AAE channel.

Could you please help me on above issue.

Regards,

Anusha.