Source maps and stack traces · Cloudflar...

Workers only maps stack traces for unhandled exceptions. So if you catch and log an exception in you code, it will not be source mapped. https://developers.cloudflare.com/workers/observability/source-maps/#stack-traces

Cloudflare Docs

Adding source maps and generating stack traces for Workers.

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ah thanks that might be it, but doesn't getting a 1101 from cloudflare mean it was unhandled? perhaps not