Firefox-140.3.1esr errors

I have built firefox-140.3.1esr following the blfs-12.4
stable book. I think I've installed the required dependencies
and the build completes without error. However when I
run firefox I get lots of errors reported. I am running
firefox from a console using the twm window manager.
I configured firefox to open with a blank page, and
so far I haven't connected to the internet yet while firefox
is running. Here are the errors I get, I don't know how
to troubleshoot these.

Richard

.cache/mozilla/firefox# console.error: (new TypeError("NetworkError: 
Network request failed", "resource://services-settings/Utils.sys.mjs", 238))
console.error: (new TypeError("NetworkError: Network request failed", 
"resource://services-settings/Utils.sys.mjs", 238))
console.error: services.settings:
   Remote Settings startup changesets bundle could not be extracted 
(TypeError: NetworkError: Network request failed)
console.error: services.settings:
   Message: TypeError: NetworkError: Network request failed
   Stack:
fetch/</request.onerror@resource://services-settings/Utils.sys.mjs:238:26

console.error: (new TypeError("NetworkError when attempting to fetch 
resource.", ""))
console.error: URLBar - QuickSuggest.SuggestBackendRust: "Ingest error" 
({type:"Amo", error:(new Error("reason: Java error: \"Request error: 
NS_ERROR_UNKNOWN_HOST\"", 
"moz-src:///toolkit/components/uniffi-bindgen-gecko-js/components/generated/RustSuggest.sys.mjs", 
3042)), reason:"Java error: \"Request error: NS_ERROR_UNKNOWN_HOST\""})
console.error: URLBar - QuickSuggest.SuggestBackendRust: "Ingest error" 
({type:"Mdn", error:(new Error("reason: Java error: \"Request error: 
NS_ERROR_UNKNOWN_HOST\"", 
"moz-src:///toolkit/components/uniffi-bindgen-gecko-js/components/generated/RustSuggest.sys.mjs", 
3042)), reason:"Java error: \"Request error: NS_ERROR_UNKNOWN_HOST\""})
console.error: URLBar - QuickSuggest.SuggestBackendRust: "Ingest error" 
({type:"Wikipedia", error:(new Error("reason: Java error: \"Request 
error: NS_ERROR_UNKNOWN_HOST\"", 
"moz-src:///toolkit/components/uniffi-bindgen-gecko-js/components/generated/RustSuggest.sys.mjs", 
3042)), reason:"Java error: \"Request error: NS_ERROR_UNKNOWN_HOST\""})
console.warn: TopSitesFeed: Failed to fetch data from MARS server: 
NetworkError when attempting to fetch resource.
JavaScript error: resource:///modules/backup/BackupService.sys.mjs, line 
108: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 
(NS_ERROR_FAILURE) [nsIProperties.get]

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