AttributeError: 'NoneType' object has no attribute 'replace'

[ampledata]

 aiscot_aishub    File "/usr/lib/python3/dist-packages/pytak/client_functions.py", line 264, in main
 aiscot_aishub      await clitool.run()
 aiscot_aishub    File "/usr/lib/python3/dist-packages/pytak/classes.py", line 275, in run
 aiscot_aishub      self.run_tasks()
 aiscot_aishub    File "/usr/lib/python3/dist-packages/pytak/classes.py", line 268, in run_tasks
 aiscot_aishub      self.run_task(task)
 aiscot_aishub    File "/usr/lib/python3/dist-packages/pytak/classes.py", line 262, in run_task
 aiscot_aishub      self.running_tasks.add(asyncio.ensure_future(task.run()))
 aiscot_aishub  Traceback (most recent call last):
 aiscot_aishub    File "/usr/lib/python3/dist-packages/aiscot/classes.py", line 204, in run
 aiscot_aishub      await self.get_aishub_feed(session, aishub_url)
 aiscot_aishub    File "/usr/lib/python3/dist-packages/aiscot/classes.py", line 182, in get_aishub_feed
 aiscot_aishub      await self.handle_data(ships)
 aiscot_aishub    File "/usr/lib/python3/dist-packages/aiscot/classes.py", line 164, in handle_data
 aiscot_aishub      event: str = aiscot.ais_to_cot(msg, self.config, known_craft=known_craft)
 aiscot_aishub    File "/usr/lib/python3/dist-packages/aiscot/functions.py", line 219, in ais_to_cot
 aiscot_aishub      cot: ET.ElementTree = ais_to_cot_xml(craft, config, known_craft)
 aiscot_aishub    File "/usr/lib/python3/dist-packages/aiscot/functions.py", line 101, in ais_to_cot_xml
 aiscot_aishub      ais_name: str = craft.get("name", craft.get("NAME", "")).replace("@", "").strip()
 aiscot_aishub  AttributeError: 'NoneType' object has no attribute 'replace'