No AMPUSER db entry

Hi all,
i use a trixbox and i’m tring to create a new extension manually whitout the FreePBX interface.
I have my new extension but when i try to call it on my CLI i see this error:

recordingcheck|20071215-060700|1197695220.36: No AMPUSER db entry for xxxxxx. Not recording
dialparties.agi: Starting New Dialparties.agi
dialparties.agi: Caller ID name is ‘xxxxxx’ number is 'xxxxxx’
dialparties.agi: Methodology of ring is 'none’
dialparties.agi: Extension 555003 has ExtensionState: 0

Who can help me?