Format Data for LEfSe on data 25

Dataset Error Report
An error occurred while running the tool LEfSe_for.

Execution resulted in the following messages:

Fatal error: Exit code 1 ()
Tool generated the following standard error:

Traceback (most recent call last):
File “/usr/bin/”, line 8, in
File “/usr/lib/python3.6/site-packages/lefse/”, line 437, in format_input
class_sl,subclass_sl,class_hierarchy = get_class_slices(list(zip(cls[‘class’], cls[‘subclass’], cls[‘subject’])))
File “/usr/lib/python3.6/site-packages/lefse/”, line 163, in get_class_slices
previous_class = data[0][0]
IndexError: list index out of range