Fatal error: Uncaught Error: Class "WP_Block_Parser_Block" not found in /htdocs/wp-includes/class-wp-block-parser.php:312
Stack trace:
#0 /htdocs/wp-includes/class-wp-block-parser.php(330): WP_Block_Parser->freeform('ColorMag Pro')
#1 /htdocs/wp-includes/class-wp-block-parser.php(102): WP_Block_Parser->add_freeform()
#2 /htdocs/wp-includes/class-wp-block-parser.php(69): WP_Block_Parser->proceed()
#3 /htdocs/wp-includes/blocks.php(2395): WP_Block_Parser->parse('ColorMag Pro')
#4 /htdocs/wp-includes/blocks.php(1989): parse_blocks('ColorMag Pro')
#5 /htdocs/wp-includes/formatting.php(5219): filter_block_content('ColorMag Pro', Array, Array)
#6 /htdocs/wp-includes/class-wp-hook.php(324): wp_pre_kses_block_attributes('ColorMag Pro', Array, Array)
#7 /htdocs/wp-includes/plugin.php(205): WP_Hook->apply_filters('ColorMag Pro', Array)
#8 /htdocs/wp-includes/kses.php(948): apply_filters('pre_kses', 'ColorMag Pro', Array, Array)
#9 /htdocs/wp-includes/kses.php(754): wp_kses_hook('ColorMag Pro', Array, Array)
#10 /htdocs/wp-includes/class-wp-theme.php(961): wp_kses('ColorMag Pro', Array)
#11 /htdocs/wp-includes/class-wp-theme.php(893): WP_Theme->sanitize_header('Name', 'ColorMag Pro')
#12 /htdocs/wp-includes/class-wp-theme.php(595): WP_Theme->get('Name')
#13 /htdocs/wp-content/plugins/ocean-extra/ocean-extra.php(150): WP_Theme->__get('name')
#14 /htdocs/wp-content/plugins/ocean-extra/ocean-extra.php(224): Ocean_Extra->__construct()
#15 /htdocs/wp-content/plugins/ocean-extra/ocean-extra.php(33): Ocean_Extra::instance()
#16 /htdocs/wp-content/plugins/ocean-extra/ocean-extra.php(36): Ocean_Extra()
#17 /htdocs/wp-settings.php(545): include_once('/htdocs/wp-cont...')
#18 /htdocs/wp-config.php(108): require_once('/htdocs/wp-sett...')
#19 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...')
#20 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...')
#21 /htdocs/index.php(17): require('/htdocs/wp-blog...')
#22 {main}
thrown in /htdocs/wp-includes/class-wp-block-parser.php on line 312