ATE Server Communication Error 50 - Unable to authenticate

Tagged: ATE

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Last updated by cliffC-3 3 months ago.

Assisted by: Christopher Amirian.

Author	Posts
February 12, 2026 at 8:48 am
cliffC-3	"Hi, I have a new site key registered. I have tried: Synchronizing local job IDs and translators in Troubleshooting. Switching to 'Copy of my site' / Production mode. Clearing WPML cache and ghost entries. However, I still get 'Error 50 - Unable to authenticate' in the error logs. My WPML Multilingual CMS version is 4.9.0. Could you please reset the ATE activation for my site URL from your end?"

Author

Posts

February 12, 2026 at 8:48 am

cliffC-3

"Hi,
I have a new site key registered. I have tried:

Synchronizing local job IDs and translators in Troubleshooting.
Switching to 'Copy of my site' / Production mode.
Clearing WPML cache and ghost entries.
However, I still get 'Error 50 - Unable to authenticate' in the error logs.
My WPML Multilingual CMS version is 4.9.0.

Could you please reset the ATE activation for my site URL from your end?"