test_powersas fail

[psa2ss]

i can't run test_powersas successfully. the following is the message. could you debug it ? thanks.

[3-bus system] EXPECT_EQ test OK.
warning: savepath: current path saved to ~.octaverc
error: out of memory or dimension too large for Octave's index type
error: called from
condest>inv_sparse_fcn at line 271 column 12
condest at line 228 column 5
hemMachinePFmultiStage at line 84 column 12
calculateInitialState at line 177 column 61
runDynamicSimulationExec at line 213 column 47
calPF at line 49 column 4
runPowerSAS at line 101 column 8
test_powersas at line 41 column 15
stopped in condest>inv_sparse_fcn at line 271 [C:\Program Files\GNU Octave\Octave-8.1.0\mingw64\share\octave\8.1.0\m\linear-algebra\condest.m]
271: Ainv = Q * (U \ (L \ P));
debug>