TypeError: this._validityWatchers[name] is not a function
at Vue$3.unregister (eval at (app.js:886), :407:37)
at Vue$3.boundFn [as unregister] (eval at (app.js:616), :126:14)
at Validation.unregister (eval at (app.js:886), :558:29)
at VueComponent.destroyed (eval at (app.js:886), :1158:16)
at callHook (eval at (app.js:616), :2479:19)
at VueComponent.Vue.$destroy (eval at (app.js:616), :2463:5)
at destroy$1 (eval at (app.js:616), :2682:19)
at invokeDestroyHook (eval at (app.js:616), :4144:59)
at invokeDestroyHook (eval at (app.js:616), :4149:9)
at invokeDestroyHook (eval at (app.js:616), :4149:9)
麻烦能够尽快告诉我哪里错了吗
TypeError: this._validityWatchers[name] is not a function at Vue$3.unregister (eval at (app.js:886), :407:37)
at Vue$3.boundFn [as unregister] (eval at (app.js:616), :126:14)
at Validation.unregister (eval at (app.js:886), :558:29)
at VueComponent.destroyed (eval at (app.js:886), :1158:16)
at callHook (eval at (app.js:616), :2479:19)
at VueComponent.Vue.$destroy (eval at (app.js:616), :2463:5)
at destroy$1 (eval at (app.js:616), :2682:19)
at invokeDestroyHook (eval at (app.js:616), :4144:59)
at invokeDestroyHook (eval at (app.js:616), :4149:9)
at invokeDestroyHook (eval at (app.js:616), :4149:9)
麻烦能够尽快告诉我哪里错了吗