User-specified path (source/aggregation.txt,source/aggregation/aggregation-tutorials.txt,source/aggregation/aggregation-tutorials/filtered-subset.txt,source/aggregation/aggregation-tutorials/group-total.txt,source/aggregation/aggregation-tutorials/multi-field-join.txt,source/aggregation/aggregation-tutorials/one-to-one-join.txt,source/aggregation/aggregation-tutorials/unpack-arrays.txt,source/includes/aggregation/aggregation-template-async.py,source/includes/aggregation/filtered-subset-async.py,source/includes/aggregation/group-total-async.py,source/includes/aggregation/multi-field-join-async.py,source/includes/aggregation/one-to-one-join-async.py,source/includes/aggregation/unpack-arrays-async.py) is invalid; falling back to 'all'.