When WordPress updates the theme in the future you may find your translations no longer correspond to the English text in the theme. Loco Translate won't automatically fix this for you. That's why you’ll have to update your custom translations manually when the theme has been updated.
Here is the solution for you to resolve this problem
Step 1 - Go to Loco Translate → Settings → Extracting strings > enter Skip PHP files larger than is 500K > click Save button
Step 2 - We need to sync the template file to the latest data, simply go to Loco Translate → Themes → Elessi Theme → Edit Template > click Sync button > click Save button
Step 3 - Please find the translation file and sync new data:
Go to Loco Translate → Themes → Elessi Theme → your language > click Sync button > click Save button
Step 4 - You need to find the text and translate it →Save button.