Upgrading from a beta version of WPML String Translation 2.6.0 to the formal release, causes the MO scanning to be stuck

Overview of the issue

In some cases, after upgrading from a beta version of WPML String Translation 2.6.0 to a formal release, a message saying that there are N .mo files remaining (where N can be any number) might be permanently displayed.

This is caused by an option in the wp_option table not being properly updated.

Workaround

If you know how to make changes to the database, please run this command:

DELETE FROM wp_options
WHERE option_name = '_wpml_st_mo_scan_in_progress';


If you don’t know how to make changes to the database, please contact WPML support.