Pycharm Freezes on exit

Hi there, 

Every time I close pycharm it freezes, and I have to force quit the program. I have a db connection, and am usually working on Django when this happens. However, it has also happened on other projects that are not django related. What do you need to diagnose the problem?

I am running 2017.3.4 This has been going on for a while. 

I am seeing this error quite a bit in the log: WARN - ntellij.ui.tree.AsyncTreeModel - ignore duplicated child at 1
2018-02-27 15:38:44,381 [10696319] 

]

and this one...

INFO - .codeInspection.ProblemsHolder - Cannot resolve file ''{'% url ''accounts:sidebar_activate'' uid=iuser.id %}'
2018-02-27 17:22:11,061 [ 241306] INFO - .codeInspection.ProblemsHolder - Cannot resolve file ''{'% url ''accounts:sidebar_activate'' uid=iuser.id %}'

I guess this also relates to shutdown

------------------------------------------------------ IDE SHUTDOWN ------------------------------------------------------
2018-02-27 17:25:45,101 [ 455346] INFO - org.jetbrains.io.BuiltInServer - web server stopped
2018-02-27 17:31:47,087 [ 0] INFO - #com.intellij.idea.Main -