App Not Executing - Reinstalled, updated

[varun-vik]

Not able to execute the app. "Sudo fern-wifi-cracker" shows this error. App was running till yesterday but wasn't showing any APs.

Bad key pcolormesh.snap in file /usr/share/matplotlib/mpl-data/matplotlibrc, line 134 ('pcolormesh.snap: True # Whether to snap the mesh to pixel boundaries. This is')
You probably need to get an updated matplotlibrc file from
https://github.com/matplotlib/matplotlib/blob/v3.3.4/matplotlibrc.template
or from the matplotlib source distribution

Bad key axes.zmargin in file /usr/share/matplotlib/mpl-data/matplotlibrc, line 417 ('axes.zmargin: .05 # z margin. See axes.Axes.margins')
You probably need to get an updated matplotlibrc file from
https://github.com/matplotlib/matplotlib/blob/v3.3.4/matplotlibrc.template
or from the matplotlib source distribution

Bad key date.converter in file /usr/share/matplotlib/mpl-data/matplotlibrc, line 455 ('date.converter: auto')
You probably need to get an updated matplotlibrc file from
https://github.com/matplotlib/matplotlib/blob/v3.3.4/matplotlibrc.template
or from the matplotlib source distribution

Bad key date.interval_multiples in file /usr/share/matplotlib/mpl-data/matplotlibrc, line 457 ('date.interval_multiples: True')
You probably need to get an updated matplotlibrc file from
https://github.com/matplotlib/matplotlib/blob/v3.3.4/matplotlibrc.template
or from the matplotlib source distribution

Bad key xtick.labelcolor in file /usr/share/matplotlib/mpl-data/matplotlibrc, line 474 ('xtick.labelcolor: inherit # color of the tick labels or inherit from xtick.color')
You probably need to get an updated matplotlibrc file from
https://github.com/matplotlib/matplotlib/blob/v3.3.4/matplotlibrc.template
or from the matplotlib source distribution

Bad key ytick.labelcolor in file /usr/share/matplotlib/mpl-data/matplotlibrc, line 495 ('ytick.labelcolor: inherit # color of the tick labels or inherit from ytick.color')
You probably need to get an updated matplotlibrc file from
https://github.com/matplotlib/matplotlib/blob/v3.3.4/matplotlibrc.template
or from the matplotlib source distribution

Bad key legend.labelcolor in file /usr/share/matplotlib/mpl-data/matplotlibrc, line 530 ('legend.labelcolor: None')
You probably need to get an updated matplotlibrc file from
https://github.com/matplotlib/matplotlib/blob/v3.3.4/matplotlibrc.template
or from the matplotlib source distribution
Traceback (most recent call last):
File "/usr/share/fern-wifi-cracker/execute.py", line 107, in
from core import *
File "/usr/share/fern-wifi-cracker/core/fern.py", line 15, in
from core.wep import *
File "/usr/share/fern-wifi-cracker/core/wep.py", line 8, in
from core.tools import*
File "/usr/share/fern-wifi-cracker/core/tools.py", line 12, in
from core.toolbox import *
File "/usr/share/fern-wifi-cracker/core/toolbox/fern_cookie_hijacker.py", line 14, in
from core.toolbox.cookie_hijacker_core import *
File "/usr/share/fern-wifi-cracker/core/toolbox/cookie_hijacker_core.py", line 38, in
from scapy.all import *
File "/usr/lib/python3/dist-packages/scapy/all.py", line 16, in
from scapy.arch import *
File "/usr/lib/python3/dist-packages/scapy/arch/init.py", line 55, in
from scapy.arch.linux import * # noqa F403
File "/usr/lib/python3/dist-packages/scapy/arch/linux.py", line 27, in
from scapy.packet import Packet, Padding
File "/usr/lib/python3/dist-packages/scapy/packet.py", line 36, in
from scapy.extlib import PYX
File "/usr/lib/python3/dist-packages/scapy/extlib.py", line 21, in
from matplotlib import get_backend as matplotlib_get_backend
File "/usr/lib/python3/dist-packages/matplotlib/init.py", line 928, in
defaultParams = rcsetup.defaultParams = {
File "/usr/lib/python3/dist-packages/matplotlib/init.py", line 931, in
rcParamsDefault[key]),
File "/usr/lib/python3/dist-packages/matplotlib/init.py", line 710, in getitem
return dict.getitem(self, key)
KeyError: 'mpl_toolkits.legacy_colorbar'

[kcee02]

have you been able to get the solution?