Property does not exist or it is used in a manner inconsistent with the schema settings while using FullTextSearch

While trying to query custom managed property using FullText Search getting an error

"Property does not exist or it is used in a manner inconsistent with the schema settings".

We would not be able to query Custom managed property using Microsoft.Sharepoint.Search.

We will have to use Microsoft.Office.Server.Search.

You could refer to this MSDN article

https://msdn.microsoft.com/en-us/library/microsoft.office.server.search.query.fulltextsqlquery.aspx