title: Version conflict detected for Microsoft.AspNetCore.Http.Abstractions
body: <p>Trying to change .Net core 1 to net Core2.1-> That time facing the below error.</p>
  
  <p>Severity    Code    Description Project File    Line    Suppression State
  Error   NU1107  Version conflict detected for Microsoft.AspNetCore.Http.Abstractions. Install/reference Microsoft.AspNetCore.Http.Abstractions 2.2.0 directly to project  to resolve this issue. 
  Project -> Microsoft.AspNetCore.Http 2.2.0 -> Microsoft.AspNetCore.Http.Abstractions (>= 2.2.0) 
   Project -> Microsoft.AspNetCore.App 2.1.1 -> Microsoft.AspNetCore.Http.Abstractions (>= 2.1.1 &amp;&amp; &lt; 2.2.0). Project</p>