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**Describe the bug** When call "AddIdentityMongoDbProvider" in startup it rise the exception "Must contain at least 1 request" **To Reproduce** Steps to reproduce the behavior: I run this code: ``` services.AddIdentityMongoDbProvider<ApplicationUser, ApplicationRole>(identityOptions => { identityOptions.Password.RequiredLength = 8; identityOptions.Password.RequireLowercase = true; identityOptions.Password.RequireUppercase = true; identityOptions.Password.RequireNonAlphanumeric = true; identityOptions.Password.RequireDigit = true; identityOptions.User.RequireUniqueEmail = true; }, mongoIdentityOptions => { mongoIdentityOptions.ConnectionString = <connectionString>; mongoIdentityOptions.UsersCollection = "users"; mongoIdentityOptions.RolesCollection = "roles"; }); ``` In my startup.cs and it throw the exception right away. **Expected behavior** No exception rise **Environment (please complete the following information):** - .Net Core version: 6.0 - Package Version: 8.3.4 - Mongo db driver version 2.28.0 **Additional context** With version 8.3.3 and mongo driver 2.27.0 the exception is not rised.