The type initializer threw an exception

When you try opening a Citavi project, you get the following error message:

The type initializer for "SwissAcademic.Citavi.Serialization.CitaviJsonConfig" threw an exception.

However, you may still have been able to open the Citavi project on other computers without problems.


An update to Microsoft Office wasn't correctly installed.


Run the update to Microsoft Office again:

  1. Open any Office program (for example, Word) and create a new document.
  2. Click File > Account (or Office Account if you opened Outlook).
  3. Click Update Options.
  4. Click Update Now.

If the problem continues to occur after installing the update, repair your Office installation:

  1. Switch to Control Panel > Uninstall a program.
  2. Select Microsoft Office 365 (or Office 2016 or 2019) and then click Change.
  3. Select Online Repair.
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