ErrorNew() --> objError
Returns a new Error object.
oNewErr := ErrorNew()
// Assign some instance variables
oNewErr:CanDefault := .F.
oNewErr:CanSubstitute := .F.
oNewErr:CanRetry := .F.
oNewErr:Severity := ES_CATASTROPHIC
oNewErr:Description := ERR_UNKNOWN
oNewErr:Operation := ERR_WHOKNOWS