Data Access :: Restoring Database To Another Server

I have been restoring database backup from server1 to Server2 and both database name is same till today. But I had an error today. I verified path, location and access everything is there but no luck to resolve.

CODE:-

USE Master;
GO 
SET NOCOUNT ON

-- 1 - Variable declaration
DECLARE @dbName sysname
DECLARE @backupPath NVARCHAR(500)
DECLARE @cmd NVARCHAR(500)
DECLARE @fileList TABLE (backupFile NVARCHAR(255))
DECLARE @lastGEFullBackup NVARCHAR(500)
DECLARE @backupFile NVARCHAR(500)
DECLARE @GEFullPath NVARCHAR(1000)

[code]....