‘No database provider has been configured for this DbContext’ on SignInManager.PasswordSignInAsync

by

If AddDbContext is used, then also ensure that your DbContext type
accepts a DbContextOptions object in its constructor and passes it to
the base constructor for DbContext.

The error message says your DbContext(LogManagerContext ) needs a constructor which accepts a DbContextOptions. But I couldn’t find such a constructor in your DbContext. So adding the below constructor probably solves your problem.

public LogManagerContext(DbContextOptions options) : base(options)
{
}

Edit for comment

If you don’t register IHttpContextAccessor explicitly, use below code:

services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();

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