Error in: [ngClass]="{'input-active': isInputActive}" about ngx-input-file HOT 6 CLOSED

import { Component, ViewEncapsulation, Inject, OnInit } from '@angular/core';
import { InputFileOptions, InputFileRepository } from 'ngx-input-file';
import { any } from '@uirouter/angularjs';

@Component({
  selector: 'form-component',
  template: require('./form.html'),
  styles: [require('./form.scss')]
})

export class FormComponent implements OnInit {
  public onAcceptFile(evt: any) {

    console.log(evt.data);

  }

  public onRemoveFile(file: any): void {
    console.log('File removed', file);
  }
}

import { NgModule, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { CommonModule } from '@angular/common';
import { HttpModule, JsonpModule } from '@angular/http';
import { FormComponent } from './form.component';
import { InputFileModule } from 'ngx-input-file';

@NgModule({
  imports: [
    CommonModule,
    FormsModule,
    CoreModule,
    HttpModule,
    InputFileModule,
    ReactiveFormsModule
  ],
  exports: [
    InputFileModule
  ],
  declarations: [FormComponent]
})
export class BatchFormModule {
...
}