Fatal error: Uncaught Error: Class "NumberFormatter"

[derintolu]

Fatal error: Uncaught Error: Class "NumberFormatter" not found in /var/www/html/wp-content/plugins/newspack-blocks/includes/class-newspack-blocks.php:1441
Stack trace: #0 /var/www/html/wp-content/plugins/newspack-blocks/includes/class-newspack-blocks.php(215):
Newspack_Blocks::get_formatted_amount()
#1 /var/www/html/wp-includes/class-wp-hook.php(324): Newspack_Blocks::enqueue_block_editor_assets('')
#2 /var/www/html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#3 /var/www/html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#4 /var/www/html/wp-admin/edit-form-blocks.php(339): do_action('enqueue_block_e...')
#5 /var/www/html/wp-admin/post-new.php(72): require('/var/www/html/w...')
#6 {main} thrown in /var/www/html/wp-content/plugins/newspack-blocks/includes/class-newspack-blocks.php on line 1441

This happens whenever I try to edit a post or access the customizer