System.NullReferenceException: Object reference not set to an instance of an object.
   at DBMR_WEB.Controllers.CludDatabaseController.nucleusDetailsAsync(String url) in C:\DataBridgeMarketResearch\Development\NewDesignDevelopment\YuvrajRandive55\DBMR-WEB_new_design\DBMR-WEB\Controllers\CludDatabaseController.cs:line 359