Is there anyting that can be done about this? Or do I toss the model and start again? (I tried restarting it ... it rewound 30 steps and then crashed at the same point again.)

sulphur_47ye_000297206 - PH 1 TS 0162030 A - 16/04/1820 15:00 - H:M:S=0591:28:42 AVG=13.14 DLT= 6.90
SIGSEGV: segmentation violation
Crashed executable name: boinc
built using BOINC library version 5.2.5
System version: Macintosh OS 10.4.3 build 8F46
Stack Frame backtrace:
# Flags Frame Addr Caller PC Symbol
=== === ========== ========== ==========
1 --- 0xbfffdd30 0x90011b28 ___vfprintf + 0x14e8
2 --- 0xbfffe3e0 0x9001061c _sprintf + 0xfc
3 --- 0xbfffe580 0x0002a228
4 --- 0xbfffe7e0 0x0002a234
5 --- 0xbfffea40 0x0002a234
6 --- 0xbfffeca0 0x0002a234
7 --- 0xbfffef00 0x0002a234
8 --- 0xbffff160 0x0002a234
9 --- 0xbffff3c0 0x0001a610
10 --- 0xbffff8c0 0x00023f20
11 --- 0xbffffa20 0x0001af90
12 --- 0xbffffa70 0x0000d404
13 --- 0xbffffae0 0x00022898
14 --- 0xbffffb30 0x0002294c
15 --- 0xbffffb80 0x00006cc0
16 --- 0xbffffbe0 0x00006b34
17 -P- 0xbffffc20 0x00000000
18 FP- 0x00000000 0xffffffff

Exiting...
logout
[Process completed]