What is Code 127

[stacyy73]

I have been getting the following, "unable to initialize modular input server defined in the app Splunk app db connect introspecting scheme=server script running failed exited with code 127. Any suggestions on what causes this error.

Thank you for your assistance
Stacy

[Sukisen1981]

have you checked this answer out?
Issue with DB connect?

https://answers.splunk.com/answers/579910/splunk-700-and-dbconnect-311-not-working-new-insta.html