request timeout error is occuring due to incorrect configuration in authorize.net SIM module

[test43]

An error occurred while trying to report this transaction to the merchant. An e-mail has been sent to the merchant informing them of the error. The following is the result of the attempt to charge your credit card.

This transaction has been approved.

It is advisable for you to contact the merchant to verify that you will receive the product or service.

This error is occuring due to some incorrect configuration.

[RichardH]

Hello @test43 

This error occurs when the relay response from SIM cannot successfully connect to your server.  It must be publicly available and on standard ports 80 or 443.

Please note:  SIM is deprecated and we encourage you to move to Accept Hosted.

RIchard