Same with mine, it was working fine for months and then just suddenly stopped
@font-face {
font-family: OLIVER;
src: url(https://static1.squarespace.com/static/646bfe49b300e47db0c79348/t/6485046ce2da404e0f78ffa3/1686439020163/Oliver-Regular.ttf);
}
h3 {font-family: 'OLIVER';}
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