Found markup element with unexpected name 'Spinner'. If this is intended to be a component, add a @using directive for its namespace.

Possible null reference argument for parameter 'user' in 'Task<ApplicationUser> IdentityUserAccessor.GetRequiredUserAsync(ClaimsPrincipal user)'.

Possible null reference argument for parameter 'user' in 'Task<ApplicationUser> IdentityUserAccessor.GetRequiredUserAsync(ClaimsPrincipal user)'.

Possible null reference argument for parameter 'user' in 'Task<ApplicationUser> IdentityUserAccessor.GetRequiredUserAsync(ClaimsPrincipal user)'.

Non-nullable property 'CurrentSlide' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Title' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Converting null literal or possible null value to non-nullable type.

Possible null reference argument for parameter 'utf8Json' in 'EeWord[]? JsonSerializer.Deserialize<EeWord[]>(Stream utf8Json, JsonSerializerOptions? options = null)'.

Possible null reference return.