How To Fix /IWPGW/PGW_SERVICE401 - System fault calling facade web service method &1 on port &2

/IWPGW/PGW_SERVICE401 - Overview

• Message type: E = Error

• Message class: /IWPGW/PGW_SERVICE -

• Message number: 401

• Message text: System fault calling facade web service method &1 on port &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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/IWPGW/PGW_SERVICE401 - Details

• The SAP error message /IWPGW/PGW_SERVICE401 System fault calling facade web service method &1 on port &2 typically indicates that there is a problem with the communication between the SAP system and a web service. This error can arise from various issues, including configuration problems, network issues, or problems with the web service itself.
  Possible Causes:
  
  
  Web Service 
  Configuration Issues: The web service may not be correctly configured in the SAP system. This includes incorrect endpoint URLs, authentication issues, or missing parameters.
  
  
  Network Issues: There may be network connectivity problems between the SAP system and the web service. This could be due to firewall settings, DNS issues, or other network-related problems.
  
  
  Service Availability: The web service might be down or experiencing issues. This could be due to maintenance, server overload, or other operational problems.
  
  
  Authorization Issues: The user or service account being used to call the web service may not have the necessary permissions or roles