Strange Blocking

Hi Experts,We have a monitorblocking setup in place and which gave below two process blocking . The first one was blocking the second one.The strange part is there is no relation between these tables.1.select top 200000 * from Vault order by 1 desc 2.CREATE Procedure [pcs].[sp_GetSystemConfig] ( @ConfigKey nvarchar(1000)=null)AS DECLARE @Result nvarchar(1000) SELECT @Result = ConfigValue FROM pcs.SystemConfig WHERE ConfigKey = @ConfigKey SELECT @Result ConfigValue