Error displaying "Hello, world" three times on the Console screen

I would like to know, please, why, when trying to display the message "Hello, world" three times on the "Console" screen, the following error message appears.

676718f2f590508f5fe195f8:92 Refused to execute inline script because it violates the following Content Security Policy directive: "script-src 'self' 'nonce-IBD37od4RDaaEZjKOEqbww==' https://code.jquery.com https://cdn.jsdelivr.net". Either the 'unsafe-inline' keyword, a hash ('sha256-A70QUc2Kse21wsA4D7Pq5ITbT/jYO221ulMbeKG0p3A='), or a nonce ('nonce-...') is required to enable inline execution.