Statistics  failed.

/net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/3a5x_1641/09_2023/3a5x_1641.pdb /net/marbles/raid1/dorothee/rerefine/cryoem/data_no_H/3a5x_1641/09_2023/3a5x_1641.map 4.0
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