Installed WP from plesk CP, build shows ONLY text in admin CP

[k23]

Server operating system version

un

Plesk version and microupdate number

Un

Good morning,

Ive been installing clean build of WP through the plesk CP

Cant under stand why in the WP admin CP the Page results as ONLY text.
Cant figure out now to resolve the issue

Apprecite any help
Thank you