An automation tool that scans sub-domains, sub-domain takeover, then filters out XSS, SSTI, SSRF, and more injection point parameters and scans for some low hanging vulnerabilities automatically.
Ran into the same issue, its an error message from the notify project over at https://github.com/projectdiscovery/notify .
How to make the file and what it does is detailed in the read me.
i used command "garud -d domain.com -o myfile -b mydomain.xss.ht