what is the error....?

declare @code varchar(50)
declare @new varchar(50)

declare udates cursor for 

SELECT DISTINCT E.C_EmpCode,replace(e.C_EmpCode,'0','100') FROM Tbl_Emp_Mst E
JOIN Tbl_User_Info U ON U.C_Code=E.C_EmpCode
JOIN Tbl_UserRights US ON US.c_userid=E.C_EmpCode
JOIN Tbl_FS_Mst FS ON FS.C_EmpNo=FS.C_EmpNo
JOIN tbl_fs_emp_rel FSM ON FSM.c_emp_code=E.C_EmpCode
JOIN FSHEIRARCHY FSH ON FSH.empcode=E.C_EmpCode

open updates
fetch next from updates into @code,@new
while @@FETCH_STATUS=0
begin
update Tbl_Emp_Mst set C_EmpCode=@new where C_EmpCode=@code
--update Tbl_FS_Mst set C_EmpNo=@new where C_EmpNo=@code
update tbl_fs_emp_rel set c_emp_code=@new where c_emp_code=@code
update fsheirarchy set empcode=@new where EmpCode=@code

update Tbl_User_Info set C_Code=@new where C_Code=@code
update Tbl_User_Info set C_UserID=@new where C_UserID=@code
update Tbl_User_Info set C_Password=@new where C_Password=@code

update Tbl_UserRights set c_userid=@new where c_userid=@code

fetch next from updates into @code,@new
end
close updates
deallocate updates

Msg 16916, Level 16, State 1, Line 6
A cursor with the name 'updates' does not exist.
Msg 16916, Level 16, State 1, Line 14
A cursor with the name 'updates' does not exist.
Msg 16916, Level 16, State 1, Line 30
A cursor with the name 'updates' does not exist.
Msg 16916, Level 16, State 1, Line 31
A cursor with the name 'updates' does not exist.