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(@tryshameem)
6 years, 8 months ago
In addition with @macmanx answer, You may enable Debug in wp-config.php file. Because it will help you to read the actual error.
6 years, 11 months ago
There are plenty of ways to style your videos thumbnail. I will suggest to go with plugin as you dont need to work with coding. These video thumbnail WordPress plugins can help:
https://wordpress.org/plugins/video-thumbnails/ https://wordpress.org/plugins/video-embed-thumbnail-generator/ https://wordpress.org/plugins/wp-video-posts/ https://codecanyon.net/item/auto-post-thumbnail-pro/4322624 (premium) https://wordpress.org/plugins/video-thumbnails/
I hope you will resolve your problem using any of those plugin.
