<p>Ok using log.cpp:125 i get:</p>

<p>[DEBUG] Compiled with debugging symbols.<br>
[INFO ] Loading 'Downloads/mlpack-1.0.12/build/train5.csv' as CSV data.  Size is 196 x 1024.<br>
[INFO ] Performing 10-fold cross validation.<br>
[INFO ] 176 leaf nodes in the tree using full dataset; minimum alpha: 150.057.<br>
[DEBUG] [bt]: (1) 1   libmlpack.1.dylib                   0x000000010023c6f6 _ZN6mlpack3det7TrainerERN4arma3MatIdEEmbmmNSt3__112basic_stringIcNS5_11char_traitsIcEENS5_9allocatorIcEEEE + 6150<br>
[DEBUG] [bt]: (2) 2   det                                 0x0000000100003979 main + 2553<br>
[DEBUG] [bt]: (3) 3   det                                 0x0000000100002f39 _start + 247<br>
[DEBUG] [bt]: (4) 4   det                                 0x0000000100002e41 start + 33<br>
[DEBUG] [bt]: (5) 5   ???                                 0x0000000000000005 0x0 + 5</p>

<p>Breakpoint 1, mlpack::Log::Assert (condition=false, message=...) at /Users/Jerone/Downloads/mlpack-1.0.12/src/mlpack/core/util/log.cpp:125<br>
125     Log::Debug &lt;&lt; message &lt;&lt; std::endl;<br>
(gdb) bt<br>
#0  mlpack::Log::Assert (condition=false, message=...) at /Users/Jerone/Downloads/mlpack-1.0.12/src/mlpack/core/util/log.cpp:125<br>
<a href="https://github.com/mlpack/mlpack/issues/1" class="issue-link" title="Port Trac issues to Github, preserving usernames">#1</a>  0x000000010023c6f6 in mlpack::det::Trainer(arma::Mat&amp;, unsigned long, bool, unsigned long, unsigned long, std::__1::basic_string, std::__1::allocator &gt;) ()<br>
   from /Users/Jerone/Downloads/mlpack-1.0.12/build/lib/libmlpack.1.dylib<br>
<a href="https://github.com/mlpack/mlpack/pull/2" class="issue-link" title="more efficient matrix inner product computation">#2</a>  0x0000000100003979 in main (argc=5, argv=0x7fff5fbffaf0) at /Users/Jerone/Downloads/mlpack-1.0.12/src/mlpack/methods/det/det_main.cpp:111<br>
(gdb) </p>

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