Redmine

Expected Behavior¶

Gantt-Diagramm converts to png file format.

Actual Behavior¶

Clicking on the png link at the bottom of the Gantt page causes an error.

Essentials of Error Message¶

MiniMagick::Error in GanttsController#show
`.../tmp/mini_magick20200415-1-ufk9mt.png` failed with error: convert-im6.q16: unable to read font `helvetica' error/annotate.c/RenderFreetype/1333. convert-im6.q16: non-conforming drawing primitive definition `text' error/draw.c/RenderMVGContent/4301.

See the two attached sreenshots of the very long error message.

Steps for Reproduction¶

1. Install Redmine according to the Technical Details below with a database populated only be Redmines default data
2. Define a Project by only setting a name
3. Create a Ticket by only setting name and due date
4. Go to Gantt page and click the png link at the bottom

Technical Details¶

Redmine 4.1.1.stable
Default administrator account changed
Attachments directory writable
Plugin assets directory writable (./public/plugin_assets)
MiniMagick available (optional)
ImageMagick convert available (optional)
ImageMagick PDF support available (optional)

Environment:
Redmine version 4.1.1.stable
Ruby version 2.5.8-p224 (2020-03-31) [x86_64-linux]
Rails version 5.2.4.2
Environment development
Database adapter Mysql2
Mailer queue ActiveJob::QueueAdapters::AsyncAdapter
Mailer delivery smtp
SCM:
Subversion 1.10.4
Mercurial 4.8.2
Git 2.20.1
Filesystem
Redmine plugins:
no plugin installed