While running /scripts/runweblogs USERNAME the following was given:

(internal warning while parsing ) Wed Feb 25 09:42:57 2009 [5035] warn: Use of uninitialized value in modulus (%) at /usr/local/cpanel/Cpanel/BandwidthDB.pm line 185.
at /usr/local/cpanel/Cpanel/BandwidthDB.pm line 185
Cpanel::BandwidthDB::update('Cpanel::BandwidthDB=HASH(0x86be22c)', 'smtp', 'undef', 698) called at /usr/local/cpanel/Cpanel/Logd.pm line 1746
Cpanel::Logd::parseeximlog('USERNAME', 1073741824, 'HASH(0x86be0ac)', 'Cpanel::BandwidthDB=HASH(0x86be22c)') called at /usr/local/cpanel/Cpanel/Logd.pm line 645
Cpanel::Logd::updatebw('USERNAME', '/home/USERNAME', 32005, 'domain.com', 'unlimited', 'ARRAY(0x86b751c)') called at /usr/local/cpanel/libexec/cpanellogd line 179

/scripts/checkperlmodules

was able to correct the perl module error and let it run fine next time.