Error messages since last update

Hello,

After updating Flexible Shipping from 6.3 → 6.4, my site started showing a large number of notice messages in the error log:

Notice: Function _load_textdomain_just_in_time was called incorrectly. 
Translation loading for the flexible-shipping domain was triggered too early. 
This is usually an indicator for some code in the plugin or theme running too early. 
Translations should be loaded at the init action or later. 
Please see https://developer.ww.wp.xz.cn/advanced-administration/debug/debug-wordpress/ for more information. 
(This message was added in version 6.7.0.) 
in /wp-includes/functions.php on line 6121

Because this caused the error log file to grow very quickly, I had to roll back to version 6.3. After rolling back, the notices disappeared.

Here is a screenshot captured with Query Monitor, which indicates that the issue might be triggered by the Flexible Shipping plugin:
👉 https://postimg.cc/vDzfx7Vx

Environment:

• WordPress: 6.8.2
• PHP: 8.3
• Flexible Shipping: 6.3 → 6.4

For now, I will remain on version 6.3 and wait for a fix in a future release.
Could you please confirm if this issue will be addressed in the next update?

Thank you.