gateway crashed again with the above error already fixed. Some interesting lines

2017-06-07 17:52:02 SYSTEM El. pašto siuntimas iš Virginija <<sending email
2017-06-07 17:52:02 Updating wrong E-Mail Queue record with Sent Flag
2017-06-07 17:52:03 Updating wrong E-Mail Queue record with Sent Flag
2017-06-07 17:52:03 Updating wrong E-Mail Queue record with Sent Flag
...
2017-06-08 11:16:18 VK PDF Error: 4133
2017-06-08 11:16:18 VK PDF Error: 4191
2017-06-08 11:16:18 VK PDF error embedding font: fonts/ADVC128B.TTF: Unsupported
ttf format.
2017-06-08 11:16:18 VK Times-Roman will be used instead.
2017-06-08 11:16:18 VK PDF Error: 4191
2017-06-08 11:16:18 VK PDF error embedding font: fonts/ADVC128B.TTF: Unsupported
ttf format.
2017-06-08 11:16:18 VK Times-Roman will be used instead.
2017-06-08 11:18:24 SYSTEM El. pašto siuntimas iš Virginija
2017-06-08 11:18:25 GATE looking for: 2,4,10,14,16,20 0|0|2017-06-08>18 006 800
88; 929 880 800 080.003082?|11:18:24.0|0|12418
2017-06-08 11:18:25 GATE in index: 0:EMailQueVc:SENDING
2017-06-08 11:18:25 GATE D4IndexDelete found no record
2017-06-08 11:18:25 GATE dump of call stack
2017-06-08 11:18:25 GATE D4IndexDelete found no record, now dumping index:
2017-06-08 11:18:25 GATE new clean node at: 1253862400 with 5 atoms and 11798 lo
gical children
2017-06-08 11:18:25 GATE key: 2,4,10,14,16,20 1|0|2004-11-04=48 00; 800 48< 85:
280 800 080.000004|12:5:34.0|0|4, daughter: 1255259136
2017-06-08 11:18:25 GATE new clean node at: 1255259136 with 7 atoms and 2401 l
ogical children

....
2017-06-08 11:18:27 GATE
2017-06-08 11:18:27 GATE end of node
2017-06-08 11:18:27 GATE

crash happened here