Sass Compiling Error

/mnt/web108/b1/86/513129186/htdocs/STRATO-apps/wordpress_02/app/wp-content/themes/maschuthi_lukas-child/mnt/web108/b1/86/513129186/htdocs/STRATO-apps/wordpress_02/app/wp-content/plugins/wp-scss/cache/
"File Permission Error, permission denied. Please make the cache directory writable."

/mnt/web108/b1/86/513129186/htdocs/STRATO-apps/wordpress_02/app/wp-content/themes/maschuthi_lukas-child/mnt/web108/b1/86/513129186/htdocs/STRATO-apps/wordpress_02/app/wp-content/plugins/wp-scss/cache/
"File Permission Error, permission denied. Please make the cache directory writable."

/mnt/web108/b1/86/513129186/htdocs/STRATO-apps/wordpress_02/app/wp-content/themes/maschuthi_lukas-child/mnt/web108/b1/86/513129186/htdocs/STRATO-apps/wordpress_02/app/wp-content/plugins/wp-scss/cache/
"File Permission Error, permission denied. Please make the cache directory writable."

https://www.lukas-stiftung.de/wp-sitemap-posts-page-1.xmlhttps://www.lukas-stiftung.de/wp-sitemap-taxonomies-category-1.xmlhttps://www.lukas-stiftung.de/wp-sitemap-users-1.xml