This thread is resolved. Here is a description of the problem and solution.
Problem: When WPML String Translation is updated, this error message is displayed: Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Translation name cannot be empty'
Solution: That was a bug, but it was fixed. Make sure you are using the latest version of WPML String Translation.
If the problem persists with the updated version, follow the steps below:
- Backup your site before following the other steps - Click on the Plugins > Installed Plugins - Disable the WPML String Translation - Remove the WPML String Translation - Access your client (https://wpml.org/account/downloads/) area and download the latest version of WPML String Translation - Click on the Plugins > Add New > Upload plugin and select the downloaded file - Click on the "Install" button and active the WPML String Translation
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