Reference error: DNS is not defined

I have this error:

name: ReferenceError
message: DNS is not defined
stack: |-
ReferenceError: DNS is not defined
at inform:32:99
at inform:36:3
at Script.runInContext (node:vm:133:12)
at run (/usr/local/lib/node_modules/lib/sandbox.ts:375:18)
at (/usr/local/lib/node_modules/lib/session.ts:624:22)
at Array.map ()
at run (/usr/local/lib/node_modules/lib/session.ts:588:16)
at rpcRequest (/usr/local/lib/node_modules/lib/session.ts:1049:15)
at rpcRequest (/usr/local/lib/node_modules/lib/session.ts:1481:20)
at C (/usr/local/lib/node_modules/lib/session.ts:1270:12)

how can i understand this information:
“at inform:32:99” mean that in Provisions at file inform in line 32 at character 99 i have the problem?