Error 101: A valid authentication key is required. Error 130: Account not activated, please contact the site administrator.
Optima Express will only register with one WordPress site at a time. If you are receiving this error then it may have been caused by re-installing the plugin or activating it on another site.
To correct this, login to your WordPress Dashboard and navigate to Optima Express > Register. Click save in order to register the plugin with your website again, and the IDX pages will display as normal.
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