apologize, i found the culprit. i was trying to modify the ‘load more’ ajax to displayed dynamically as multilingual using polylang function in functions.php
add_filter( 'option_generate_blog_settings', function( $settings ) {
$settings['masonry_load_more'] = pll('Load More');
$settings['masonry_loading'] = pll('Loading');
return $settings;
} );
supposed to be
add_filter( 'option_generate_blog_settings', function( $settings ) {
$settings['masonry_load_more'] = pll__('Load More');
$settings['masonry_loading'] = pll__('Loading');
return $settings;
} );
Thank you