Cant change theme

• 

  ysmetan · Member · Jan 9, 2020 at 4:59 am

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  Hello,
  I am currently using the interico theme on WordPress.
  I would like to change it to the Dessau theme.
  I installed this new theme under Appearance>Themes.
  When I click on Live Preview, however, I get this message:

  Fatal error: Uncaught Error: Call to undefined function interico_img_sizes() in /home/customer/www/urbanden.com.au/public_html/wp-content/plugins/themicart-shortcodes/themicart-shortcodes.php:1555 Stack trace: #0 /home/customer/www/urbanden.com.au/public_html/wp-includes/shortcodes.php(325): ThemicartShortcodes->tc_projects_slider(Array, ”, ‘projects_slider’) #1 [internal function]: do_shortcode_tag(Array) #2 /home/customer/www/urbanden.com.au/public_html/wp-includes/shortcodes.php(199): preg_replace_callback(‘/[([?)(projec…’, ‘do_shortcode_ta…’, ‘[projects_slide…’) #3 /home/customer/www/urbanden.com.au/public_html/wp-content/plugins/js_composer/include/helpers/helpers.php(240): do_shortcode(‘[projects_slide…’) #4 /home/customer/www/urbanden.com.au/public_html/wp-content/plugins/js_composer/include/templates/shortcodes/vc_column.php(94): wpb_js_remove_wpautop(‘[projects_slide…’) #5 /home/customer/www/urbanden.com.au/public_html/wp-content/plugins/js_composer/include/classes/shortcodes/core/class-wpbakerysho in /home/customer/www/urbanden.com.au/public_html/wp-content/plugins/themicart-shortcodes/themicart-shortcodes.php on line 1555

  I am not very clued up about websites, and am very much a novice. Would really appreciate some help, or any advice.

  Thanks.
  Y.

• 

  staff-mckluskey · Staff · Jan 9, 2020 at 9:53 am

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  Hi there!

  I’m afraid that, your site is not hosted with WordPress.com. It is a site using the open-source WordPress software (from WordPress.org) but hosted with a different company.

  Because WordPress.com and WordPress.org are two entirely separate entities, we cannot access files or data for sites that are hosted elsewhere, so WordPress.com staff can only assist with sites that are hosted on our servers. You can read more about the differences between WordPress.org software and WordPress.com here:

  WordPress.com vs. WordPress.org

  You can look for help at the community forums here: https://wordpress.org/support/forums/

  http://wordpress.org/support/ is also a great resource for sites using the open-source WordPress.org software.