https://www.dotnetzone.gr:443/cs/blogs/ppolyzos/archive/2016/11/15/ef-code-first-creating-string-index-error.aspxIn Entity Framework code-first, if you have a domain model like the following: [crayon-582b152280188265428148/] and want to create an index for a string property, when you execute update-adtabase for your migration, you may end up with the following error:enCommunityServer 2.1 SP3 (Build: 20423.1)