Remote project will not open

[Anonymous]

I try and open an existing remote project ('PROJECT_DATAQUALITY') but get an error saying that it is not open...?! What does the error message "Resource '/PROJECT_DATAQUALITY' is not open." mean?
Is there a missmatch between Subversion and my local project now? I cannot choose to remove the project locally since it is not listed. So... do I have to go to the server and then Subversion and do some magic there or what?

!STACK 0
org.talend.commons.exception.PersistenceException: org.eclipse.team.core.TeamException: Resource '/PROJECT_DATAQUALITY' is not open.
at org.talend.repository.svnprovider.SvnBaseRepositoryFactory.configureProject(Unknown Source)
at org.talend.repository.svnprovider.SvnBaseRepositoryFactory.beforeLogon(Unknown Source)
at org.talend.repository.remoteprovider.RemoteRepositoryFactory.delegateBeforeLogon2(Unknown Source)
at org.talend.repository.remoteprovider.RemoteRepositoryFactory.delegateBeforeLogon(Unknown Source)
at org.talend.repository.remoteprovider.RemoteRepositoryFactory.beforeLogon(Unknown Source)
at org.talend.repository.model.ProxyRepositoryFactory.logOnProject(Unknown Source)
at org.talend.repository.ui.login.LoginDialog$1.run(Unknown Source)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
Caused by: org.eclipse.team.core.TeamException: Resource '/PROJECT_DATAQUALITY' is not open.
at org.eclipse.team.internal.core.TeamPlugin.wrapException(TeamPlugin.java:125)
at org.eclipse.team.core.RepositoryProvider.map(RepositoryProvider.java:144)
... 8 more
Caused by: org.eclipse.core.internal.resources.ResourceException: Resource '/PROJECT_DATAQUALITY' is not open.
at org.eclipse.core.internal.resources.Project.checkAccessible(Project.java:116)
at org.eclipse.core.internal.resources.Resource.checkAccessibleAndLocal(Resource.java:200)
at org.eclipse.core.internal.resources.Resource.getPersistentProperty(Resource.java:1042)
at org.eclipse.team.core.RepositoryProvider.map(RepositoryProvider.java:99)
... 8 more

[Anonymous]

1. remove TOS workspace
2. remove ".project" file from svn (with svn client - tortoise)
3. start studio (it's ok for me)