Below is the error we receive via email.    We are using a web to lead contact form through the salesforce API.

The issue is sometimes the web form posts to salesforce, and sometimes the same data on the form doesnt post and we receive this error message. Does anyone know what the issue could be?

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Alert: Salesforce.com experienced the following problem creating the lead below:

Reason: java.sql.SQLException: ORA-20096:
ORA-06512: at "BASHFUL.CUSER", line 2957
ORA-06512: at "BASHFUL.SLEAD", line 1589
ORA-06512: at line 1
: {call sLead.update_leads(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)})}
   Lead Capture Page: Not available.