How To Fix /IWPGW/PGW_SERVICE402 - Application fault calling facade web service method &1 on port &2

/IWPGW/PGW_SERVICE402 - Overview

• Message type: E = Error

• Message class: /IWPGW/PGW_SERVICE -

• Message number: 402

• Message text: Application 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_SERVICE402 - Details

• The SAP error message /IWPGW/PGW_SERVICE402 Application fault calling facade web service method &1 on port &2 typically indicates that there is an issue with a web service call in the SAP system, specifically when trying to access a facade web service. This error can arise from various causes, and here are some common reasons along with potential solutions:
  Causes:
  
  
  Service 
  Configuration Issues: The web service may not be properly configured in the SAP system. This includes incorrect endpoint URLs, missing service definitions, or misconfigured ports.
  
  
  Network Issues: There may be network connectivity problems between the SAP system and the web service provider, such as firewalls blocking the request or DNS resolution issues.
  
  
  Authentication/Authorization Failures: The user credentials or tokens used to access the web service may be invalid or insufficient for the requested operation.
  
  
  Faulty Web Service Implementation: The web service itself may have bugs or issues that cause it to fail when called from