Fatal error: Uncaught Error: Call to undefined method Timber\ImageHelper::is_svg() in /websites/web.sibelia.no/www/html/wp-content/plugins/gantry5/src/vendor/timber/timber/lib/Image/Operation/Resize.php:176 Stack trace: #0 /websites/web.sibelia.no/www/html/wp-content/plugins/timber-library/lib/ImageHelper.php(536): Timber\Image\Operation\Resize->run('/websites/web.s...', '/websites/web.s...') #1 /websites/web.sibelia.no/www/html/wp-content/plugins/timber-library/lib/ImageHelper.php(66): Timber\ImageHelper::_operate('http://www.sibe...', Object(Timber\Image\Operation\Resize), false) #2 /websites/web.sibelia.no/www/html/wp-content/cache/gantry5/rt_isotope/twig/1f/1f346a1ab81691e9180eab93455c846b193af5100924c3169787095404cb5405.php(87): Timber\ImageHelper::resize('http://www.sibe...', 600, 400) #3 /websites/web.sibelia.no/www/html/wp-content/plugins/gantry5/src/vendor/twig/twig/lib/Twig/Template.php(215): __TwigTemplate_a18711993b6cc56e9a512f25b1fe31e01f402364f40ad6b7112daf51401ed761->block_content(Array, Array) #4 /websites in /websites/web.sibelia.no/www/html/wp-content/plugins/gantry5/src/vendor/timber/timber/lib/Image/Operation/Resize.php on line 176