cannot access crm from mobile phone

Caused by: com.mycollab.core.MyCollabException: Can not find the implementation class for view interface com.mycollab.mobile.module.crm.view.AllActivitiesView
at com.mycollab.vaadin.mvp.ViewManager.createInstanceFromCls(ViewManager.kt:65)
at com.mycollab.vaadin.mvp.ViewManager.getCacheComponent(ViewManager.kt:46)
... 81 common frames omitted

AllActivitiesNew.class.isAssignableFrom(AllActivitiesNewImpl.class) evaluates to false may cause this issue
please 

check screenshot in attachment