Assertion failed on plan.cpp line 4845: DFHack::Maps::isValidTilePos((vert).x, (vert).y, (vert).z) invalid tile at (25, -4, 142)mineshaft vertical location

[schumannd]

I just came back to a crashed game, so don't know exactly what happened.

I chose a 1x1 embark site, so space might have been a problem.

Log

df-ai debug log opened. version information follows:
Dwarf Fortress 0.44.12
Mac 64-bit
df-ai 0.44.12-r1-update1-0-g64e341c7
code 64e341c
DFHack 0.44.12-r1-0-gc2a64b35
library c2a64b3573abbee549761f5c1c2626eec7a6e81c
structures 23500e4e9bd1885365d0a2ef1746c321c1dd5094
Assertion failed on plan.cpp line 4845: DFHack::Maps::isValidTilePos((vert).x, (vert).y, (vert).z)
invalid tile at (25, -4, 142)mineshaft vertical location

Assertion failed on plan.cpp line 1899: DFHack::Maps::isValidTilePos((t).x, (t).y, (t).z)
invalid tile at (33, -1, 142) (designation: Default)