webhook unable to send post data

[splunk_tci_2020]

STDERR - Sending POST request to url=http:/XXX.XXX.XXX.XXX:XXXX/ with size=448 bytes payload

How do i resolve this error. 

[anilchaithu]

@splunk_tci_2020 

Can you please share the complete error message?

[splunk_tci_2020]

07-09-2020 12:30:42.303 +0200 INFO  sendmodalert - Invoking modular alert action=webhook for search="SOC Use Case" sid="scheduler__xxxxxx__search__RMDXXXXXXXx" in app="search" owner="XXXX" type="saved"

07-09-2020 12:30:42.384 +0200 INFO  sendmodalert - action=webhook STDERR -  Sending POST request to url=http://xxxxxxxx/ with size=449 bytes payload

07-09-2020 12:35:42.374 +0200 ERROR sendmodalert - action=webhook - Execution of alert action script failed

07-09-2020 12:35:42.374 +0200 ERROR sendmodalert - Error in 'sendalert' command: Alert script execution failed.