problem with uploading map
```
2018-11-19 17:00:15,727 ERROR [Thread-1811] (ProjectService.java:881) - Problem with database
org.hibernate.UnresolvableObjectException: No row with the given identifier exists: [lcsb.mapviewer.model.user.ObjectPrivilege#24913]
at org.hibernate.UnresolvableObjectException.throwIfNull(UnresolvableObjectException.java:64)
at org.hibernate.event.internal.DefaultRefreshEventListener.onRefresh(DefaultRefreshEventListener.java:159)
at org.hibernate.internal.SessionImpl.fireRefresh(SessionImpl.java:1044)
at org.hibernate.internal.SessionImpl.refresh(SessionImpl.java:1029)
at org.hibernate.engine.spi.CascadingAction$3.cascade(CascadingAction.java:205)
at org.hibernate.engine.internal.Cascade.cascadeToOne(Cascade.java:380)
at org.hibernate.engine.internal.Cascade.cascadeAssociation(Cascade.java:323)
at org.hibernate.engine.internal.Cascade.cascadeProperty(Cascade.java:208)
at org.hibernate.engine.internal.Cascade.cascadeCollectionElements(Cascade.java:409)
at org.hibernate.engine.internal.Cascade.cascadeCollection(Cascade.java:350)
at org.hibernate.engine.internal.Cascade.cascadeAssociation(Cascade.java:326)
at org.hibernate.engine.internal.Cascade.cascadeProperty(Cascade.java:208)
at org.hibernate.engine.internal.Cascade.cascade(Cascade.java:165)
at org.hibernate.event.internal.DefaultRefreshEventListener.onRefresh(DefaultRefreshEventListener.java:123)
at org.hibernate.event.internal.DefaultRefreshEventListener.onRefresh(DefaultRefreshEventListener.java:64)
at org.hibernate.internal.SessionImpl.fireRefresh(SessionImpl.java:1036)
at org.hibernate.internal.SessionImpl.refresh(SessionImpl.java:1013)
at org.hibernate.internal.SessionImpl.refresh(SessionImpl.java:1008)
at lcsb.mapviewer.persist.dao.BaseDao.refresh(BaseDao.java:292)
at lcsb.mapviewer.services.impl.UserService.getUserByLogin(UserService.java:167)
at sun.reflect.GeneratedMethodAccessor135.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:302)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
at com.sun.proxy.$Proxy53.getUserByLogin(Unknown Source)
at lcsb.mapviewer.services.impl.ProjectService.addUsers(ProjectService.java:463)
at lcsb.mapviewer.services.impl.ProjectService.access$900(ProjectService.java:111)
at lcsb.mapviewer.services.impl.ProjectService$5.run(ProjectService.java:824)
at java.lang.Thread.run(Thread.java:748)
```
issue