Plugin is not working after upgrade from ojs 2.4.8 to 3.0.2

Description of issue or problem I’m having:

Steps I took leading up to the issue:

What I tried to resolve the issue:

Application Version - e.g., OJS 3.0.2:

Additional information, such as screenshots and error log messages if applicable:

Hello @yeshambel,

The version of OJS that you’re using is no longer supported by PKP - 3.0.2 is rather outdated. I recommend that you upgrade to the newest version of OJS, as it is possible that your issue will be resolved by upgrading. However, other community members may wish to offer assistance, if you were to provide more details about the errors that you are encountering.

Upgrading instructions are available in the PKP Administrator’s Guide.

Information about the latest version of OJS can be found on the PKP Website

PKP Team