what it's problem?

[triahmad22]

An error has occurred while executing Python code:

UnboundLocalError: local variable 'ln_hronH_norm_1d' referenced before assignment
Traceback (most recent call last):
File "C:/PROGRA1/QGISES1/apps/qgis/./python/plugins\GeomorphicFloodIndex\doGeomorphicFloodIndex.py", line 1012, in accept
numpy.savetxt(file_output_int_base+'_ln_hronH_norm_1d_python.txt',ln_hronH_norm_1d)
UnboundLocalError: local variable 'ln_hronH_norm_1d' referenced before assignment

Python version: 2.7.5 (default, May 15 2013, 22:44:16) [MSC v.1500 64 bit (AMD64)]
QGIS version: 2.14.2-Essen Essen, b3e642c