FATAL ERROR: Cannot unset string offsets

Cannot open the Elementor builder on any page because of a Fatal error: Uncaught Error: Cannot unset string offsets.

All Updates and Patches installed. How to fix this issue? I find a lot of threads about it in the forum but no solution.

Here the whole error message:
Fatal error: Uncaught Error: Cannot unset string offsets in /www/htdocs/w00c3b54/flipstark.com/wp-content/themes/woodmart/inc/integrations/woocommerce/modules/checkout-fields/class-frontend.php:111 Stack trace: #0 /www/htdocs/w00c3b54/flipstark.com/wp-includes/class-wp-hook.php(324): XTS\Modules\Checkout_Fields\Frontend->change_locale_fields(Array) #1 /www/htdocs/w00c3b54/flipstark.com/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array) #2 /www/htdocs/w00c3b54/flipstark.com/wp-content/plugins/woocommerce/includes/class-wc-countries.php(1644): apply_filters('woocommerce_get...', Array) #3 /www/htdocs/w00c3b54/flipstark.com/wp-content/plugins/woocommerce/includes/class-wc-frontend-scripts.php(549): WC_Countries->get_country_locale() #4 /www/htdocs/w00c3b54/flipstark.com/wp-content/plugins/woocommerce/includes/class-wc-frontend-scripts.php(465): WC_Frontend_Scripts::get_script_data('wc-address-i18n') #5 /www/htdocs/w00c3b54/flipstark.com/wp-content/plugins/woocommerce/includes/class-wc-frontend-scripts.php(632): WC_Frontend_Scripts::localize_script('wc-address-i18n') #6 /www/htdocs/w00c3b54/flipstark.com/wp-includes/class-wp-hook.php(324): WC_Frontend_Scripts::localize_printed_scripts('') #7 /www/htdocs/w00c3b54/flipstark.com/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #8 /www/htdocs/w00c3b54/flipstark.com/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #9 /www/htdocs/w00c3b54/flipstark.com/wp-includes/script-loader.php(2214): do_action('wp_print_script...') #10 /www/htdocs/w00c3b54/flipstark.com/wp-includes/class-wp-hook.php(324): wp_print_head_scripts('') #11 /www/htdocs/w00c3b54/flipstark.com/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(Array, Array) #12 /www/htdocs/w00c3b54/flipstark.com/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #13 /www/htdocs/w00c3b54/flipstark.com/wp-includes/general-template.php(3052): do_action('wp_head') #14 /www/htdocs/w00c3b54/flipstark.com/wp-content/themes/woodmart/header.php(12): wp_head() #15 /www/htdocs/w00c3b54/flipstark.com/wp-includes/template.php(790): require_once('/www/htdocs/w00...') #16 /www/htdocs/w00c3b54/flipstark.com/wp-includes/template.php(725): load_template('/www/htdocs/w00...', true, Array) #17 /www/htdocs/w00c3b54/flipstark.com/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #18 /www/htdocs/w00c3b54/flipstark.com/wp-content/themes/woodmart/page.php(13): get_header() #19 /www/htdocs/w00c3b54/flipstark.com/wp-includes/template-loader.php(106): include('/www/htdocs/w00...') #20 /www/htdocs/w00c3b54/flipstark.com/wp-blog-header.php(19): require_once('/www/htdocs/w00...') #21 /www/htdocs/w00c3b54/flipstark.com/index.php(17): require('/www/htdocs/w00...') #22 {main} thrown in /www/htdocs/w00c3b54/flipstark.com/wp-content/themes/woodmart/inc/integrations/woocommerce/modules/checkout-fields/class-frontend.php on line 111

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Hello,

Is there any chance that you could give me access to the dashboard area so I can have a look at the settings on your website, please?

Kind Regards

Yes sure, see in “extra information”.

Hello,

I see that you use the old version of the theme, so I suggest you update it to 7.4.3 version and update the “Core” plugin as well via Dashboard -> Plugins. Then recheck the issue and let me know.

Kind Regards

Looks fine after updating these.

Thank you!

Hello,

Great! In case you need any additional help, I’d be more than happy to assist you.

Wish you all the best.

Kind Regards

[Author]

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