Statistics  failed.

/net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/5ojq_3566/12_2023/5ojq_3566.pdb /net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/5ojq_3566/12_2023/5ojq_3566.map 3.7
Traceback (most recent call last):
  File "/net/marbles/raid1/dorothee/rerefine/cryoem/rerefine_script.py", line 459, in get_statistics
    assert checked.map_data().as_1d().count(0) != checked.map_data().size() # need data
AssertionError