Dwarf Fortress constantly crashes at the same moment every time, heres a screenshot of the crash.
Furthermore I uploaded a safe taken a few steps before the actual crash.
path fail: sea lamprey,194,94,14 -> 197,94,14: Id #4909:Path Goal Leave Wall:Station Wilderness Roamer at 200,95,14
path fail: carp,237,120,14 -> 226,117,14: Id #4924:Path Goal Seek Station Flood:Station Owner at 226,117,14
path fail: carp,237,117,14 -> 221,118,14: Id #4925:Path Goal Wilderness Roamer:Station Wilderness Roamer at 225,118,14
path fail: carp,239,118,14 -> 231,120,14: Id #4882:Path Goal Seek Station Flood:Station Wilderness Roamer at 231,120,14
path fail: carp,239,117,14 -> 233,117,14: Id #4928:Path Goal Flee from Opponent:Station Owner at 225,117,14
path fail: carp,237,120,14 -> 214,111,14: Id #4892:Path Goal Flee Terrain:Station Wilderness Roamer at 219,115,14
path fail: carp,239,119,14 -> 232,118,14: Id #4883:Path Goal Seek Station Flood:Station Wilderness Roamer at 232,118,14
path fail: pike,239,120,14 -> 216,116,14: Id #4889:Path Goal Flee Terrain:Station Invalid at 225,116,14
path fail: carp,239,117,14 -> 217,115,14: Id #4912:Path Goal Flee Terrain:Station Wilderness Roamer at 231,119,14
path fail: carp,237,120,14 -> 217,115,14: Id #4913:Path Goal Flee Terrain:Station Invalid at 231,119,14
path fail: sea lamprey,235,118,14 -> 216,116,14: Id #4881:Path Goal Flee Terrain:Station Wilderness Roamer at 232,120,14
path fail: longnose gar,239,120,14 -> 215,114,14: Id #4903:Path Goal Flee Terrain:Station Wilderness Roamer at 233,119,14
path fail: carp,238,120,14 -> 216,116,14: Id #4894:Path Goal Flee Terrain:Station Wilderness Roamer at 231,119,14
path fail: carp,236,120,14 -> 234,117,14: Id #4895:Path Goal Flee from Opponent:Station Invalid at 231,117,14
path fail: carp,236,120,14 -> 221,117,14: Id #4887:Path Goal Flee from Opponent:Station Invalid at 220,114,14
path fail: carp,197,82,14 -> 191,94,14: Id #4900:Path Goal Flee Terrain:Station Owner at 198,83,14
path fail: carp,239,118,14 -> 217,115,14: Id #4896:Path Goal Flee Terrain:Station Wilderness Roamer at 231,119,14
path fail: carp,237,118,14 -> 216,116,14: Id #4886:Path Goal Flee Terrain:Station Wilderness Roamer at 231,119,14
DOUBLE TAGGED ITEM: Rest
path fail: carp,234,117,14 -> 212,113,14: Id #4916:Path Goal Flee Terrain:Station Wilderness Roamer at 231,120,14
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
path fail: magma man,27,97,14 -> 25,99,15: Id #4877:Path Goal Conflict Defense:Station Wilderness Roamer at 26,98,14
path fail: carp,238,118,14 -> 216,113,14: Id #4898:Path Goal Flee Terrain:Station Owner at 221,118,14
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
path fail: dwarf,Dig Channel,120,180,17 -> 122,181,17: Id #4856:Path Goal Dig:Station Milling Flood at 82,136,16
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Rest
DOUBLE TAGGED ITEM: Sleep
path fail: dwarf,Destroy Building,137,105,16 -> 137,105,17: Id #26112:Path Goal Work at Building:Station Mill Building at 80,114,4
loop path fail: <same square> dog,97,190,16 -> 95,191,16: Id #56886:Path Goal Seek Station:Station Owner at 95,216,14
loop path fail: <same square> dwarf,Construct Building,98,189,16 -> 96,209,12: Id #56893:Path Goal Drop Off Job Items:Station Mill Building at 86,208,2
loop path fail: <same square> cow,93,190,16 -> 84,195,12: Id #57077:Path Goal Seek Station:Station Owner at 94,165,16
loop path fail: <same square> dwarf,Drink,93,190,16 -> 83,187,14: Id #57094:Path Goal Seek Drink Item:Station Mill Building at 98,198,2
loop path fail: <same square> dwarf,90,199,12 -> 90,197,12: Id #57006:Path Goal Seek Station:Station Mill Building at 90,196,12
Receive job pay: NULL JOB
loop path fail: <same square> horse,95,198,12 -> 95,204,12: Id #57303:Path Goal Seek Station:Station Owner at 106,201,12
Receive job pay: NULL JOB
Receive job pay: NULL JOB
loop path fail: <same square> dwarf,91,196,12 -> 91,197,12: Id #57302:Path Goal Seek Station:Station Mill Building at 90,197,12
loop path fail: <same square> dwarf,87,200,12 -> 90,203,12: Id #56890:Path Goal Seek Station:Station Commander at 90,196,12
loop path fail: <same square> dwarf,86,197,12 -> 82,197,12: Id #57107:Path Goal Seek Station:Station Commander at 102,186,12
loop path fail: <same square> dog,88,202,12 -> 88,205,12: Id #56974:Path Goal Seek Station:Station Mill Building at 89,199,12
I made a backup of the errorlog, cleared it, loaded the save game seen above and it crashed again, errorlog remained empty.