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This thread is resolved. Here is a description of the problem and solution.
Uncaught InvalidArgumentException: Translation name cannot be empty in /home/boflower/www/wp-content/plugins/wpml-string-translation/classes/filters/db-cache/class-wpml-st-page-translation.php:107
-backup your site completely
-Go to WPML>>Support page
-Click on Troubleshooting link (link in the middle of the page)
-In Troubleshooting page, please click on the following options of 'Clean up' section. Wait for confirmation of processing after each one.
- Clear the cache in WPML
- Remove ghost entries from the translation tables
- Fix element_type collation
- Set language information
- Assign translation status to duplicated content
- Fix terms count
- Fix post type assignment
-Recreate ST DB cache tables