Sorry that you are seeing this issue with Darkest Dark + SVN. This is not a known issue.
1. Can you please clarify if the problem persists in a fresh new workspace as well?
2. Please send us screenshots of the SVN views to help us get a visual of the problems you are seeing.
3. Share with us Eclipse version details, OS and Arch details.
4. Also send us the .log file located at workspace dir/.metadata/.log for further investigation.
You can send us the complete .log file by exporting it from the Error Log view (click on the first icon ‘Export Log’ in the Error Log view). Alternatively, you can also send us all the .bak log files located at D:\DEV\workspaces\mywork\.metadata\
Please also share with us the version of Subversive plugin installed.