Seems related to a weird model setup, could be related to Freighter.pof (warnings quoted below). And there's a lot of other errors in your modpack as well; if you don't fix them, you can expect more strange errors in the future.
WARNING: "Rotation without rotation axis defined on submodel 'cargo01a' of model 'Freighter.pof'!" at modelread.cpp:1275
Potential problem found: Unrecognized subsystem type 'cargo02a', believed to be in ship Freighter.pof
WARNING: "Rotation without rotation axis defined on submodel 'cargo02a' of model 'Freighter.pof'!" at modelread.cpp:1275
Potential problem found: Unrecognized subsystem type 'cargo03a', believed to be in ship Freighter.pof
WARNING: "Rotation without rotation axis defined on submodel 'cargo03a' of model 'Freighter.pof'!" at modelread.cpp:1275
Potential problem found: Unrecognized subsystem type 'cargo04a', believed to be in ship Freighter.pof
WARNING: "Rotation without rotation axis defined on submodel 'cargo04a' of model 'Freighter.pof'!" at modelread.cpp:1275
Potential problem found: Unrecognized subsystem type 'cargo05a', believed to be in ship Freighter.pof
WARNING: "Rotation without rotation axis defined on submodel 'cargo05a' of model 'Freighter.pof'!" at modelread.cpp:1275
Potential problem found: Unrecognized subsystem type 'cargo06a', believed to be in ship Freighter.pof
WARNING: "Rotation without rotation axis defined on submodel 'cargo06a' of model 'Freighter.pof'!" at modelread.cpp:1275
Potential problem found: Unrecognized subsystem type 'cargo07a', believed to be in ship Freighter.pof
WARNING: "Rotation without rotation axis defined on submodel 'cargo07a' of model 'Freighter.pof'!" at modelread.cpp:1275
Potential problem found: Unrecognized subsystem type 'cargo08a', believed to be in ship Freighter.pof
WARNING: "Rotation without rotation axis defined on submodel 'cargo08a' of model 'Freighter.pof'!" at modelread.cpp:1275