Since something is still broken, you should leave your site in its current state and contact the Oxygen support team to continue troubleshooting.
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Nice!
The problem was caused by a plugin or theme conflict.
You can now reactivate the deactivated plugins or themes one at a time. After each activation, check Oxygen for the problem again. Once you see the problem return, you'll know which plugin or theme is responsible for the conflict. You can then let the Oxygen support team know what you found!