Fehler beim herunterlanden von Zip Dateien

A TypeError occurred in submissions#download:

no implicit conversion of nil into String app/controllers/concerns/zip_submissions.rb:11:in `basename'

---

Request:

• URL : http://dozentron.mni.thm.de/submissions/911/download
• HTTP Method: GET
• IP address : 127.0.0.1
• Parameters : {"controller"=>"submissions", "action"=>"download", "submission_id"=>"911"}
• Timestamp : 2018-05-24 14:36:56 +0200
• Server : dozentron
• Rails root : /home/production/releases/20180519190412
• Process: 32226