Traceback (most recent call last):


 "site-packages/calibre/utils/formatter.py", line 377, in safe_format


 "site-packages/calibre/utils/formatter.py", line 342, in evaluate


 "site-packages/calibre/utils/formatter.py", line 266, in _eval_program


 "site-packages/calibre/utils/formatter.py", line 108, in program


 "site-packages/calibre/utils/formatter.py", line 115, in statement


 "site-packages/calibre/utils/formatter.py", line 159, in expr


 "site-packages/calibre/utils/formatter.py", line 115, in statement


 "site-packages/calibre/utils/formatter.py", line 159, in expr


 "site-packages/calibre/utils/formatter.py", line 115, in statement


 "site-packages/calibre/utils/formatter.py", line 159, in expr


 "site-packages/calibre/utils/formatter.py", line 115, in statement


 "site-packages/calibre/utils/formatter.py", line 171, in expr


 "site-packages/calibre/utils/formatter_functions.py", line 134, in eval_


 "site-packages/calibre/utils/formatter_functions.py", line 361, in evaluate


 "site-packages/calibre/ebooks/metadata/book/formatter.py", line 31, in get_value
ValueError: Value: unknown field #kobo

Traceback (most recent call last):


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/network/dispatcher/dispatcher_socket.py", line 42, in connectAndLoop

self.connectionCallbacks.onRecvData(data)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/network/layer.py", line 82, in onRecvData

self.receive(data)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/network/layer.py", line 85, in receive

self.toUpper(data)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/__init__.py", line 79, in toUpper

self.__upper.receive(data)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/noise/layer_noise_segments.py", line 39, in receive

self.toUpper(bytes(data))


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/__init__.py", line 79, in toUpper

self.__upper.receive(data)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/noise/layer.py", line 149, in receive

self._flush_incoming_buffer()


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/noise/layer.py", line 137, in _flush_incoming_buffer

self.toUpper(self._wa_noiseprotocol.receive())


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/__init__.py", line 79, in toUpper

self.__upper.receive(data)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/coder/layer.py", line 21, in receive

self.toUpper(node)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/__init__.py", line 79, in toUpper

self.__upper.receive(data)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/logger/layer.py", line 14, in receive

self.toUpper(data)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/__init__.py", line 79, in toUpper

self.__upper.receive(data)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/axolotl/layer_control.py", line 32, in receive

self.toUpper(protocolTreeNode)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/__init__.py", line 79, in toUpper

self.__upper.receive(data)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/__init__.py", line 194, in receive

s.receive(data)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/axolotl/layer_receive.py", line 36, in receive

self.onMessage(protocolTreeNode)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/axolotl/layer_receive.py", line 69, in onMessage

self.handleEncMessage(protocolTreeNode)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/axolotl/layer_receive.py", line 81, in handleEncMessage

self.handlePreKeyWhisperMessage(node)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/axolotl/layer_receive.py", line 121, in handlePreKeyWhisperMessage

self.parseAndHandleMessageProto(pkMessageProtocolEntity, plaintext)


 "/tmp/yoweenv/lib/python3.7/site-packages/yowsup/layers/axolotl/layer_receive.py", line 194, in parseAndHandleMessageProto

raise ValueError("Unhandled")
ValueError: Unhandled
