Reverse engineer issues in ODI 11g

Hello gurus,
We are testing ODI upgrade and we have an issue while reversing a data model.Its an existing sql server table and in ODI when we click on the reverse engineer ODI datastore doesnt sync with sql server DB table.
Please help ?
Thanks,
Mastan.

Thank you so much for your reply....Yes thats exactly right it is not considering the deleted columns....when i try to remove the the data store it gives me an error saying
"object column : workflow_activity_identifier is referenced by: Txt CrossRef : 12142111, Txt CrossRef : 20617111
Cannot remove"
i think i have to edit my interfaces which is using the data store ? is there any way i can know how many interfaces are using this data store?
Thanks for your help.

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