Try to validate your DB

OPEN DATABASE pmis EXCLUSIVE 
VALIDATE DATABASE

>i have a database called pmis.dbc
>
>i replaced this pmis.dbc with another newly created database same name but only difference is this new one has view in it. that view is not in the old pmis.dbc
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>so i replaced the pmis.dbc
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>but when i trying to modify this pmis.dbc from the project manager it is giving a message (c:\pcs\pmis.dbc is an invalid database).
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>how can i make this new pmis.dbc a valid database.
>
>Can somebody please help me on this since i am very new to visual fox pro.
>
>Thank you.