Hi my site is at wpengine and when I wp-content URL. My image show 404 not found although htaccess is okay there.

https://flow555.wpengine.com

https://flow555.wpengine.com/file/2018/10/6ef69efc393d1bab50f732736905ac96-40-1-1024×437-1.jpg

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ – [L]
RewriteRule ^other/js/embed\.min\.js /wp-includes/js/wp-embed.min.js?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/44b34903/(.*) /wp-content/plugins/abredirect/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/8da9ce1f/(.*) /wp-content/plugins/addquicktag/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/c63b2f56/(.*) /wp-content/plugins/kt-tinymce-color-grid/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/9e3379b9/(.*) /wp-content/plugins/ezond-data-studio-connector/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/ee6eefb3/(.*) /wp-content/plugins/duplicate-post/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/0f235bfd/(.*) /wp-content/plugins/elementor/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/44a09e53/(.*) /wp-content/plugins/elementor-pro/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/d858d3c7/(.*) /wp-content/plugins/fullwidth-templates/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/6e8b3923/(.*) /wp-content/plugins/heatmap-for-wp/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/708114c2/(.*) /wp-content/plugins/jet-parallax/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/fdb3ffa0/(.*) /wp-content/plugins/simple-page-ordering/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/8170f645/(.*) /wp-content/plugins/wp-smush-pro/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/cd31e012/(.*) /wp-content/plugins/oh-add-script-header-footer/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/24976393/(.*) /wp-content/plugins/supreme-google-webfonts/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/520d20e3/(.*) /wp-content/plugins/tijaji-formatting/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/db960692/(.*) /wp-content/plugins/tinymce-advanced/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/acf49e19/(.*) /wp-content/plugins/tinymce-colorpicker/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/39fb5843/(.*) /wp-content/plugins/typekit-fonts-for-wordpress/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/bd64e378/(.*) /wp-content/plugins/visual-editor-custom-buttons/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/1b050cff/(.*) /wp-content/plugins/wp-file-manager/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/6b0a585c/(.*) /wp-content/plugins/wpmudev-updates/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/5019fca4/(.*) /wp-content/plugins/wp-multibyte-patch/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/168e3de1/(.*) /wp-content/plugins/real-category-library/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/353fb9d9/(.*) /wp-content/plugins/wp-rocket/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^other/(.*) /wp-includes/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^file/(.*) /wp-content/uploads/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ext/(.*) /wp-content/plugins/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^skin/main\.css /index.php?style_wrapper=1&rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^skin/style\.css /nothing_404_404?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^skin/(.*) /wp-content/themes/oceanwp/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^ajax /wp-admin/admin-ajax.php?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^inc/(.*) /wp-content/$1?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^wp-content/themes/oceanwp/screenshot\.png|readme\.html|license\.txt|wp-content/debug\.log|wp-includes/$ /nothing_404_404?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteRule ^(((wp-content|wp-includes)/([A-Za-z0-9\-\_\/]*))|(wp-admin/(!network\/?)([A-Za-z0-9\-\_\/]+)))(\.txt|/)$ /nothing_404_404?rLNuL_hide_my_wp=1234 [QSA,L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>