Hints for fritzing in universe

Warnings

• asv-url-invalid-type
  org.fritzing.Fritzing.appdata.xml:48 - forum
  Invalid `type` property for this `url` tag. URLs of this type are not known in the AppStream specification.
• screenshot-download-error
  Error while downloading screenshot from 'https://fritzing.org/static/img/fritzing-preview-bb.png': HTTP request returned status code 404 ()
  This might be a temporary server issue, or the screenshot is no longer available.
• screenshot-download-error
  Error while downloading screenshot from 'https://fritzing.org/static/img/fritzing-preview-schem.png': HTTP request returned status code 404 ()
  This might be a temporary server issue, or the screenshot is no longer available.
• screenshot-download-error
  Error while downloading screenshot from 'https://fritzing.org/static/img/fritzing-preview-pcb.png': HTTP request returned status code 404 ()
  This might be a temporary server issue, or the screenshot is no longer available.
• screenshot-download-error
  Error while downloading screenshot from 'https://fritzing.org/static/img/fritzing-preview-welcome.png': HTTP request returned status code 404 ()
  This might be a temporary server issue, or the screenshot is no longer available.
• translations-not-found
  Unable to add languages information, even though a translation tag was present in the MetaInfo file. Please check that its value is set correctly, and all locale files are placed in the right directories (e.g. /usr/share/locale/*/LC_MESSAGES/ for Gettext .mo files).