2019/04/23 18:16:59: Had a problem saving a JSON object. The dump has been printed to the log.
2019/04/23 18:17:00: Exception in thread subscription thread:
Traceback (most recent call last):
  File "threading.py", line 916, in _bootstrap_inner
  File "threading.py", line 864, in run
  File "include\ClientDaemons.py", line 340, in Work
    self._DoWork()
  File "include\ClientDaemons.py", line 328, in _DoWork
    subscription.Sync()
  File "include\ClientImportSubscriptions.py", line 1359, in Sync
    HG.client_controller.WriteSynchronous( 'serialisable', self )
  File "include\HydrusController.py", line 778, in WriteSynchronous
    return self._Write( action, True, *args, **kwargs )
  File "include\HydrusController.py", line 219, in _Write
    result = self.db.Write( action, synchronous, *args, **kwargs )
  File "include\HydrusDB.py", line 957, in Write
    if synchronous: return job.GetResult()
  File "include\HydrusData.py", line 1582, in GetResult
    raise e
include.HydrusExceptions.DBException: InterfaceError: Error binding parameter 4 - probably unsupported type.

Database Traceback (most recent call last):
  File "include\HydrusDB.py", line 561, in _ProcessJob
    result = self._Write( action, *args, **kwargs )
  File "include\ClientDB.py", line 12869, in _Write
    elif action == 'serialisable': self._SetJSONDump( *args, **kwargs )
  File "include\ClientDB.py", line 10022, in _SetJSONDump
    self._c.execute( 'INSERT INTO json_dumps_named ( dump_type, dump_name, version, timestamp, dump ) VALUES ( ?, ?, ?, ?, ? );', ( dump_type, dump_name, version, HydrusData.GetNow(), dump_buffer ) )
sqlite3.InterfaceError: Error binding parameter 4 - probably unsupported type.