The `font-inter` class does not exist

Question

The `font-inter` class does not exist. If `font-inter` is a custom class, make sure it is defined within a `@layer` directive.I am getting this error in my nextjs app.

I am expercting to resolve this font-error in tail wind css. The error is occuring in global.css file in which the nextapp is not able to resolve some tailwind css classes.At first I thought the error is in This image is the screen shot of the error occuring

    .app {
  @apply relative z-10 flex justify-center items-center flex-col max-w-7xl mx-auto sm:px-16 px-6;
}

.black_btn {
  @apply rounded-full border border-black bg-black py-1.5 px-5 text-white transition-all hover:bg-white hover:text-black text-center text-sm font-inter flex items-center justify-center;
}

.outline_btn {
  @apply rounded-full border border-black bg-transparent py-1.5 px-5 text-black transition-all hover:bg-black hover:text-white text-center text-sm font-inter flex items-center justify-center;
}

.head_text {
  @apply mt-5 text-5xl font-extrabold leading-[1.15] text-black sm:text-6xl;
}

.orange_gradient {
  @apply bg-gradient-to-r from-amber-500 via-orange-600 to-yellow-500 bg-clip-text text-transparent;
}

.green_gradient {
  @apply bg-gradient-to-r from-green-400 to-green-500 bg-clip-text text-transparent;
}

.blue_gradient {
  @apply bg-gradient-to-r from-blue-600 to-cyan-600 bg-clip-text text-transparent;
}

.desc {
  @apply mt-5 text-lg text-gray-600 sm:text-xl max-w-2xl;
}