Password logon no longer possible - too many failed attempts

Hi,

I am trying to extract data from a ZTable in R/3 to an InfoCube in BI7.0 and I get this error in SM58. The extraction does not complete too.

<b>IDOC_INBOUND_ASYNCHRONOUS DE6CLNT900 12.07.2007 04:54:34 Password logon no longer possible - too many failed attempts C0A8E610010C469637F50E8B sdsap03 SAPMSSY1 001 0000</b>

Kindly help.

Sam