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<b>Fatal error</b>:  Uncaught Error: Call to undefined function () in /data/web/virtuals/256765/virtual/www/wp-includes/class-wp-embed.php:1
Stack trace:
#0 /data/web/virtuals/256765/virtual/www/wp-settings.php(250): require()
#1 /data/web/virtuals/256765/virtual/www/wp-config.php(93): require_once('/data/web/virtu...')
#2 /data/web/virtuals/256765/virtual/www/wp-load.php(51): require_once('/data/web/virtu...')
#3 /data/web/virtuals/256765/virtual/www/wp-blog-header.php(13): require_once('/data/web/virtu...')
#4 /data/web/virtuals/256765/virtual/www/index.php(17): require('/data/web/virtu...')
#5 {main}
  thrown in <b>/data/web/virtuals/256765/virtual/www/wp-includes/class-wp-embed.php</b> on line <b>1</b><br />
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<b>Fatal error</b>:  Uncaught Error: Call to a member function set() on null in /data/web/virtuals/256765/virtual/www/wp-includes/l10n.php:857
Stack trace:
#0 /data/web/virtuals/256765/virtual/www/wp-includes/l10n.php(960): load_textdomain('default', '/data/web/virtu...', 'cs_CZ')
#1 /data/web/virtuals/256765/virtual/www/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler-&gt;handle()
#3 {main}
  thrown in <b>/data/web/virtuals/256765/virtual/www/wp-includes/l10n.php</b> on line <b>857</b><br />