INFO - Got result :Error :Element (say user id) not found

Hello,

I have been trying to run a web application by selenium rc.And for rc i have given browser iexplore.
Everything works fine(rc launches IE browser).But in rc window i am getting error msg like :

11:14:05.281 INFO - Launching Embedded Internet Explorer...
11:14:06.640 INFO - Launching Internet Explorer HTA...
11:14:12.546 INFO - Got result: OK,ec7b61610296456488bfedf552d06ab2 on session e
c7b61610296456488bfedf552d06ab2
11:14:12.593 INFO - Command request: open[/, ] on session ec7b61610296456488bfed
f552d06ab2
11:14:13.937 INFO - Got result: OK on session ec7b61610296456488bfedf552d06ab2
11:14:13.953 INFO - Command request: type[userid, userint5] on session ec7b61610
296456488bfedf552d06ab2
11:14:14.062 INFO - Got result: ERROR: Element userid not found on session ec7b6
1610296456488bfedf552d06ab2
11:14:14.078 INFO - Command request: type[password, pass12345] on session ec7b61
610296456488bfedf552d06ab2
11:14:14.156 INFO - Got result: ERROR: Element password not found on session ec7
b61610296456488bfedf552d06ab2
11:14:14.171 INFO - Command request: select[loginlocation, label=WAREHOUSE] on s
ession ec7b61610296456488bfedf552d06ab2
11:14:14.234 INFO - Got result: ERROR: Element loginlocation not found on sessio
n ec7b61610296456488bfedf552d06ab2
11:14:14.250 INFO - Command request: click[Submit1, ] on session ec7b61610296456
488bfedf552d06ab2
11:14:14.343 INFO - Got result: ERROR: Element Submit1 not found on session ec7b
61610296456488bfedf552d06ab2
11:14:14.343 INFO - Command request: waitForPageToLoad[100000, ] on session ec7b
61610296456488bfedf552d06ab2
11:14:37.406 INFO - Got result: OK on session ec7b61610296456488bfedf552d06ab2
11:14:37.421 INFO - Command request: click[link=Logout, ] on session ec7b6161029
6456488bfedf552d06ab2
11:14:37.484 INFO - Got result: ERROR: Element link=Logout not found on session
ec7b61610296456488bfedf552d06ab2
11:14:37.484 INFO - Command request: waitForPageToLoad[100000, ] on session ec7b
61610296456488bfedf552d06ab2
11:14:50.531 INFO - Got result: OK on session ec7b61610296456488bfedf552d06ab2
11:14:50.546 INFO - Command request: testComplete[, ] on session ec7b61610296456
488bfedf552d06ab2
11:14:50.890 INFO - Got result: OK on session ec7b61610296456488bfedf552d06ab2