OJS Errors & Fixes

• OJS White Screen After Update: Causes and Fixes

  OJS white screen after update? Fix incomplete uploads, migrations, PHP, plugins, cache, and config with this recovery guide.

• OJS File Upload Not Working: Causes and How to Fix It

  OJS file upload not working? Fix upload_max_filesize, files_dir permissions, MIME types, and Nginx/Apache body limits in this guide.

• OJS Login Loop or Redirect Error: Causes and How to Fix It

  Stuck in an OJS login loop? Fix base_url, HTTPS, cookies, sessions, and proxy redirects with this cause-and-fix guide now.

• OJS 500 Internal Server Error: Causes & Fixes

  OJS 500 internal server error? Fix PHP, plugins, permissions, memory, database, and config issues with this step-by-step guide.

• OJS Email Notifications Not Sending: How to Fix It

  OJS email notifications not sending? Fix SMTP, PHP mail(), SPF/DKIM, ports, and templates with this cause-and-fix guide.