error log while flashing chip using web flasher

Error log

Flash from File [object File] stubundefined
caught usb config errorError: Failed to open device.
caught error in process head and calling handlErrorTimeoutError: operation timed out
Handling error
r__stackCleaned__: trueisOperational: truemessage: "operation timed out"name: "TimeoutError"stack: "TimeoutError: operation timed out↵    at Object.u [as pollPromise] (chrome-extension://bpohdfcdfghdcgflomadkijfdgalcgoi/scripts/bundle.min.js:4:17839)↵    at chrome-extension://bpohdfcdfghdcgflomadkijfdgalcgoi/scripts/bundle.min.js:4:4108↵From previous event:↵    at chrome-extension://bpohdfcdfghdcgflomadkijfdgalcgoi/scripts/bundle.min.js:4:4083↵From previous event:↵    at e.value (chrome-extension://bpohdfcdfghdcgflomadkijfdgalcgoi/scripts/bundle.min.js:4:3823)↵    at e.value (chrome-extension://bpohdfcdfghdcgflomadkijfdgalcgoi/scripts/bundle.min.js:4:1025)↵From previous event:↵    at e.value (chrome-extension://bpohdfcdfghdcgflomadkijfdgalcgoi/scripts/bundle.min.js:4:1157)↵    at e.value (chrome-extension://bpohdfcdfghdcgflomadkijfdgalcgoi/scripts/bundle.min.js:4:441)↵    at EventImpl.dispatchToListener (extensions::event_bindings:388:22)↵    at Event.publicClassPrototype.(anonymous function) [as dispatchToListener] (extensions::utils:151:26)↵    at EventImpl.dispatch_ (extensions::event_bindings:372:35)↵    at EventImpl.dispatch (extensions::event_bindings:394:17)↵    at Event.publicClassPrototype.(anonymous function) [as dispatch] (extensions::utils:151:26)↵    at dispatchOnMessage (extensions::messaging:336:22)"__proto__: Errorconstructor: r(n)arguments: (...)caller: (...)length: 1name: "r"prototype: Errorconstructor: r(n)constructor$: Error()__proto__: Object__proto__: ()<function scope>constructor$: Error()__proto__: Object
Objecterror: rindex: 4operation: "4 MAGIC"__proto__: Object__defineGetter__: __defineGetter__()__defineSetter__: __defineSetter__()__lookupGetter__: __lookupGetter__()__lookupSetter__: __lookupSetter__()constructor: Object()hasOwnProperty: hasOwnProperty()isPrototypeOf: isPrototypeOf()propertyIsEnumerable: propertyIsEnumerable()toLocaleString: toLocaleString()toString: toString()valueOf: valueOf()get __proto__: __proto__()set __proto__: __proto__()
cleaned up after error
caught usb config errorError: Failed to open device.
Error on cleanup
Error: Invocation of form usb.closeDevice(null, function) doesn't match definition usb.closeDevice(object handle, optional function callback)(…)
Flashing finished! Elapsed time: 84.692