Error loading classifier model and training set

Hi,

I am classifying bacteria using fast gentle boosting. I saved my classifier model and training set for use in other experiments. However, when I try opening my classifier model I keep receiving an error saying “Error loading classifier model”. I receive this error when I try to open my classifier model in the original database in which it was generated or when I try to open the model in a new database generated in a new experiment.

In addition, when I try to open my training set in CPA I receive the following error:

An error occurred in the program:
TypeError: ‘NoneType’ object has no attribute ‘getitem

Traceback (most recent call last):
File “cpa\classifier.pyc”, line 1123, in OnLoadTrainingSet
File “cpa\classifier.pyc”, line 1178, in LoadTrainingSetCSV
File “cpa\trainingset.pyc”, line 27, in init
File “cpa\trainingset.pyc”, line 157, in LoadCSV
File “cpa\trainingset.pyc”, line 91, in Create
File “cpa\trainingset.pyc”, line 86, in get_data
File “cpa\trainingset.pyc”, line 325, in get_object_data

This error only occurs when I try opening my training set in a new experiment. I would please like assistance in resolving these issues.

Thanks,

Leonard