error

reakpoint 2, mlpack::data::Split<arma::field<arma::Mat<double> >, void> (input=..., trainData=..., testData=..., testRatio=0.5, shuffleData=false) at /home/psykik/Documents/mlpack/src/mlpack/core/data/split_data.hpp:297
297        trainData[i] = input(0, order(i));
Execute debugger commands using "-exec <command>", for example "-exec info registers" will list registers in use (when GDB is the debugger)

Program received signal SIGSEGV, Segmentation fault.
0x000055555cb27ead in arma::field<arma::Mat<double> >::operator[] (i=0, this=0x7fffffffb960) at /usr/include/armadillo_bits/field_meat.hpp:456
456   return (*mem[i]);

Program terminated with signal SIGSEGV, Segmentation fault.