Error "assertion 'size > 0' failed"

[Daniel-Mietchen]

Wed Oct 26 18:05:51 CEST 2016
PMC4976198
Input PMCIDs, delimited by whitespace: Removing “/home/danielmietchen/.cache/open-access-media-importer/metadata/raw/pmc_pmcid/efetch.fcgi0” … done.
Nature Communications 2016######################################################################################################################################################################################|
        Evidence that birds sleep in mid-flight
/usr/lib/python2.7/dist-packages/sqlalchemy/engine/default.py:573: SAWarning: Unicode type received non-unicodebind param value.
  param.append(processors[key](compiled_params[key]))
“Evidence that birds sleep in mid-flight”:
        6 × /

/usr/lib/python2.7/dist-packages/sqlalchemy/engine/default.py:573: SAWarning: Unicode type received non-unicodebind param value.                                                                  | ETA:  0:00:00
  param.append(processors[key](compiled_params[key]))
100% |##########################################################################################################################################################################################################|
** (python:23196): CRITICAL **: gst_byte_reader_masked_scan_uint32: assertion 'size > 0' failed

[Daniel-Mietchen]

Interestingly, all four videos from that paper were uploaded fine:
https://commons.wikimedia.org/w/index.php?search=10.1038%2Fncomms12468