### Steps to reproduce * Push docker image tag to our GitLab Container Registry. * Go to Project-Registry Section * Delete image tag ### What is the current _bug_ behavior? The image tag isnt't deleted showing an error 400 **Something went wrong** ### What is the expected _correct_ behavior? The image is deleted ### Production logs ``` ==> production.log <== Started DELETE "/user/swarmweb/registry/repository/7/tags/7cdd0345ef0d5120365b0f23ac2c7aee9feea742" for ip at 2017-10-24 11:09:14 +0200 Processing by Projects::Registry::TagsController#destroy as JSON Parameters: {"namespace_id"=>"user", "project_id"=>"swarmweb", "repository_id"=>"7", "id"=>"7cdd0345ef0d5120365b0f23ac2c7aee9feea742", "tag"=>{}} Completed 400 Bad Request in 46ms (ActiveRecord: 2.7ms) ```