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Troubleshooting

Most issues in OpSee fall into a small number of recurring categories: authentication problems, missing data, configuration errors, and HTTP errors from the backend. Use the guides below to diagnose and resolve them quickly.

If your issue is not covered here, contact your system administrator.

Guides​

Frequently Asked Questions​

Answers to the most common questions from operators, managers, and administrators, organized by role.

Common Errors​

HTTP error codes (401, 403, 404, 500, 502, 503) and UI validation errors, with their likely causes and fixes.

Data Not Showing​

Step-by-step checklist for when production data, OEE metrics, or tag trends are not visible in the interface.

Login Issues​

Solutions for sign-in failures, session expiration, 401/403 errors after login, and Keycloak connectivity problems.