I constructed my Integration by configuring with connected system and when I test it I receive this error "HTTP/1.1 500 Internal Server Error" in Appian Designer.
Method:POST
Its working fine in postman.
Thanks
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Tips to fix-
Try Reloading the Page.Clear Your Browser Cache.Check Your Server Logs.Check for Errors in Establishing a Database Connection.Check Your Plugins and Themes.Reinstall WordPress Core.Check for Permissions Error.Increase PHP Memory Limit.
Regards,
Rachel Gomez
ATTENTION: This reply is nonsense as it talks about WordPress