Extjs报错 Uncaught TypeError: c is not a constructor

initializing Content Script message listener
ext-all.js:21 [Deprecation] Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.
loadScriptFile @ ext-all.js:21
require @ ext-all.js:21
syncRequire @ ext-all.js:21
(anonymous) @ ext-all.js:21
instantiate @ ext-all.js:21
(anonymous) @ ext-all.js:21
newReport @ sysReport.js?dt=1528684071:496
fireHandler @ ext-all.js:21
onClick @ ext-all.js:21
(anonymous) @ VM1061:6
m @ ext-all.js:21
VM964:3 Uncaught TypeError: c is not a constructor
    at eval (eval at getInstantiator (ext-all.js:21), <anonymous>:3:8)
    at Object.instantiate (ext-all.js:21)
    at Object.create (ext-all.js:21)
    at j.newReport (sysReport.js?dt=1528684071:496)
    at A.fireHandler (ext-all.js:21)
    at A.onClick (ext-all.js:21)
    at HTMLAnchorElement.eval (eval at cacheableFunctionFactory (ext-all.js:21), <anonymous>:6:13)
    at HTMLAnchorElement.m (ext-all.js:21)initializing Content Script message listener
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