Mylyn connector crashes Redmine

[Iammagneat]

• Linux server
• Redmine 4.0.4 stable
• "...However if you do have an issue with Redmine, or that is not related to the plugin they either need to go via the support portal at Redmine (www.redmine.org/projects/redmine/issues/new) or the support portal relevent to the plugin." doesn't help: "Please contact the author of the plugin. Perhaps the plugin does not support the latest version of Redmine." (http://www.redmine.org/issues/32088)
• [Redmine crash log.txt]
  (https://github.com/danmunn/redmine_mylyn_connector/files/3629906/Redmine.crash.log.txt)