500 error on adding issue when no files in project

after updating to GitLab 6.7.3 have a problem on adding issue to a project with no files at all after adding one empty file to project the problem has disappeared

This is fixed on master and will be shipped with GitLab 6.8

Status changed to closed

mentioned in commit 778923b6

Mentioned in commit 778923b6

mentioned in merge request !14785