IllegalArgumentException: Loader 'transactionsDl' not found (Hot Deploy)

Hello Team,

I tried to open an edit screen and I have the next error:

java.lang.IllegalArgumentException: Loader 'transactionsDl' not found
	at com.haulmont.cuba.gui.model.impl.ScreenDataImpl.getLoader(ScreenDataImpl.java:62)
	at com.haulmont.cuba.gui.sys.UiControllerDependencyInjector.getInjectedInstance(UiControllerDependencyInjector.java:606)
	at com.haulmont.cuba.gui.sys.UiControllerDependencyInjector.doInjection(UiControllerDependencyInjector.java:512)
	at com.haulmont.cuba.gui.sys.UiControllerDependencyInjector.injectValues(UiControllerDependencyInjector.java:274)
	at com.haulmont.cuba.gui.sys.UiControllerDependencyInjector.inject(UiControllerDependencyInjector.java:112)
	at com.haulmont.cuba.web.sys.WebScreens.createScreen(WebScreens.java:242)
	at com.haulmont.cuba.web.sys.WebScreens.create(WebScreens.java:175)
	at com.haulmont.cuba.gui.builders.EditorBuilderProcessor.createScreen(EditorBuilderProcessor.java:323)
	at com.haulmont.cuba.gui.builders.EditorBuilderProcessor.buildEditor(EditorBuilderProcessor.java:92)
	at com.haulmont.cuba.gui.builders.EditorBuilder.build(EditorBuilder.java:359)
	at com.haulmont.cuba.gui.actions.list.EditAction.execute(EditAction.java:318)
	at com.haulmont.cuba.gui.actions.list.EditAction.actionPerform(EditAction.java:280)
	at com.haulmont.cuba.web.gui.components.WebAbstractTable.handleClickAction(WebAbstractTable.java:1295)
	at com.haulmont.cuba.web.gui.components.WebAbstractTable.lambda$initComponent$db766529$1(WebAbstractTable.java:1048)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:496)
	at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:273)
	at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:237)
	at com.vaadin.server.AbstractClientConnector.fireEvent(AbstractClientConnector.java:1041)
	at com.vaadin.v7.ui.Table.handleClickEvent(Table.java:3126)
	at com.vaadin.v7.ui.Table.changeVariables(Table.java:2918)
	at com.vaadin.v7.ui.TreeTable.changeVariables(TreeTable.java:446)
	at com.haulmont.cuba.web.widgets.CubaTreeTable.changeVariables(CubaTreeTable.java:326)
	at com.vaadin.server.communication.ServerRpcHandler.changeVariables(ServerRpcHandler.java:611)
	at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:457)
	at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:400)
	at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:260)
	at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:82)
	at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:40)
	at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1578)
	at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:425)
	at com.haulmont.cuba.web.sys.CubaApplicationServlet.serviceAppRequest(CubaApplicationServlet.java:329)
	at com.haulmont.cuba.web.sys.CubaApplicationServlet.service(CubaApplicationServlet.java:215)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:108)
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:74)
	at com.haulmont.cuba.web.sys.CubaHttpFilter.doFilter(CubaHttpFilter.java:93)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1579)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

Yesterday it worked, today it doesn’t work
Seems that doesn’t recognize

    @Inject
    private CollectionLoader<Transaction> transactionsDl;

Please advise! What should I do?

Finally solved.
The same problem with Hot deploy!
I downgraded from 7. 2.5 to 7.2.3. Unfortunately the system do not let me downgrade lower.
Is there any way to downgrade the platform to 7.1??

Regards,
-n