Traceback when visiting localhost:8080

[appsforartists]

I just got this traceback from Password Alert while viewing a local URL in Canary. It doesn't happen when I reload the page, but thought you might want to see it anyway.

Error in event handler for (unknown): SyntaxError: Unexpected token u
    at X (chrome-extension://noondiphcddnnabmjcihcjfbhfklnnep/content_script_compiled.js:24:161)
    at chrome-extension://noondiphcddnnabmjcihcjfbhfklnnep/content_script_compiled.js:24:131handler @ extensions::uncaught_exception_handler:8(anonymous function) @ extensions::uncaught_exception_handler:100EventImpl.dispatch_ @ extensions::event_bindings:376EventImpl.dispatch @ extensions::event_bindings:393target.(anonymous function) @ extensions::SafeBuiltins:19publicClass.(anonymous function) @ extensions::utils:94dispatchOnDisconnect @ extensions::messaging:306