2019-08-31 19:41:44.470 Verbose/KodiIsengard: → [801] GET http://10.1.1.147:6060/image/image%3A%2F%2Fhttp%253a%252f%252fthetvdb.com%252fbanners%252factors%252f394731.jpg%2F
2019-08-31 19:41:44.852 Verbose/KodiIsengard: ← [801] 404 Not Found http://10.1.1.147:6060/image/image%3A%2F%2Fhttp%253a%252f%252fthetvdb.com%252fbanners%252factors%252f394731.jpg%2F (379ms, 82-byte body)
2019-08-31 19:41:44.856 Verbose/KodiIsengard: ← [801] File not foundFile not found
Your Kodi have wrong data in it, clean Kodi database and ensure that the metadata it have is correct.