Internal CatBoost Error (contact developers for assistance): Should be IDynamicBlockIteratorPtr<TCatValue>
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python
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- C++
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Description
Problem:
When running the get_feature_importance, it fails with the following error.
```
CatBoostError: /src/catboost/catboost/private/libs/algo/features_data_helpers.h:118: Internal CatBoost Error (contact developers for assistance): Should be IDynamicBlockIteratorPtr
```
Any idea what maybe creating this issue? here is the code that I am running.
```
from catboost import Pool
train_pool = Pool('quantized://' + '/local_disk0/' + 'train_pool_1.pool')
feature_importance = model_c.get_feature_importance(train_pool)
feature_importance
```
catboost version: 1.2.7
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