[theducks]

I tried to insert an empty book into the series: (PI v.1.2.3)

calibre, version 0.8.58
ERROR: Unhandled exception: <b>TypeError</b>:arguments did not match any overloaded call:
  QDateTime(): too many arguments
  QDateTime(QDateTime): argument 1 has unexpected type 'NoneType'
  QDateTime(QDate): argument 1 has unexpected type 'NoneType'
  QDateTime(QDate, QTime, Qt.TimeSpec timeSpec=Qt.LocalTime): argument 1 has unexpected type 'NoneType'
  QDateTime(int, int, int, int, int, int s=0, int msec=0, int timeSpec=0): argument 1 has unexpected type 'NoneType'

Traceback (most recent call last):
  File "calibre_plugins.manage_series.dialogs", line 634, in add_empty_book
  File "calibre_plugins.manage_series.dialogs", line 563, in renumber_series
  File "calibre_plugins.manage_series.dialogs", line 237, in populate_table_row
  File "calibre_plugins.manage_series.common_utils", line 292, in __init__
TypeError: arguments did not match any overloaded call:
  QDateTime(): too many arguments
  QDateTime(QDateTime): argument 1 has unexpected type 'NoneType'
  QDateTime(QDate): argument 1 has unexpected type 'NoneType'
  QDateTime(QDate, QTime, Qt.TimeSpec timeSpec=Qt.LocalTime): argument 1 has unexpected type 'NoneType'
  QDateTime(int, int, int, int, int, int s=0, int msec=0, int timeSpec=0): argument 1 has unexpected type 'NoneType'