ActionView::Template::Error (The single-table inheritance mechanism failed to locate the subclass: 'Subversion'

Keywords: Redmine - Installers - Technical issue - Upgrade

bnsupport ID: a8f85082-4d17-aa4e-b820-b345fe3d0f38

Description:
I just recently upgraded to 4.2.1 and followed all the steps from the Upgrade Redmine article. Everything seem to run fine but when I am trying to access some of my projects, I get an error. So I checked the error log file in Apache and got the following:

ActionView::Template::Error (The single-table inheritance mechanism failed to locate the subclass: ‘Subversion’. This error is raised because the column ‘type’ is reserved for storing the class in case of inheritance. Please rename this column if you didn’t intend it to be used for storing the inheritance class or overwrite Repository.inheritance_column to use another column for that information.):

I am not sure what to do to resolve this error. Any help will be great.

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