I have [Duplicate entry ‘0’ for key 1] error message.

  • Hi.
    I am upgrading WP 1.5 to WP 2.0
    I have this error.

    WordPress database error: [Duplicate entry ‘0’ for key 1]
    ALTER TABLE home5_post2cat ADD PRIMARY KEY (rel_id)
    Step 1

    There’s actually only one step. So if you see this, you’re done. Have fun!

    how can I solve this problem..??

    Thank you.

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