现场的报警如下，以前好像都会标出DB块号，这次只报背景数据报警，如何去确定哪个db块报的警？

Event 1 of 10: Event ID 16# 2523
Area length error when writing
Instance DB, bit access, Access address: 192
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
03:28:41.318 PM 07/17/2012
(Coding: 16# 2523 0179 0005 00C0 0000 0000)


Event 2 of 10: Event ID 16# 2522
Area length error when reading
Instance DB, word access, Access address: 186
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
03:28:41.318 PM 07/17/2012
(Coding: 16# 2522 0179 0025 00BA 0000 0000)


Event 3 of 10: Event ID 16# 2522
Area length error when reading
Instance DB, word access, Access address: 190
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
03:28:41.318 PM 07/17/2012
(Coding: 16# 2522 0179 0025 00BE 0000 0000)


Event 4 of 10: Event ID 16# 2522
Area length error when reading
Instance DB, word access, Access address: 186
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
03:28:41.318 PM 07/17/2012
(Coding: 16# 2522 0179 0025 00BA 0000 0000)


Event 5 of 10: Event ID 16# 2522
Area length error when reading
Instance DB, bit access, Access address: 197
Requested OB: Programming error OB (OB121)
Priority class: 1
Internal error, Incoming event
03:28:41.318 PM 07/17/2012
(Coding: 16# 2522 0179 0005 00C5 0000 0000)