Hello,
Could you please check whether you have something in your \Users\<Username>\AppData\Roaming\Subversion\auth\svn.simple folder? If there are any files, could you please try to move them somewhere and try again?
Please also check the folder in "\Users\<Username>\AppData\Local\Mendix\svnconfig\auth\svn.simple" and also remove all files from it.
After removing the files from these folders, please make sure you re-launch the Desktop Modeler and try again.
Regards,
Alex.
Looks like you don't have enough rights, are you business engineer or SCRUM master in the project?