I am facing an error while starting mailman core, it shows the following error:
$ mailman start
Traceback (most recent call last):
File "/usr/bin/mailman", line 11, in <module>
load_entry_point('mailman==3.1.1', 'console_scripts', 'mailman')()
File "/usr/lib/python3/dist-packages/mailman/bin/mailman.py", line 94, in main
initialize(config_path)
File "/usr/lib/python3/dist-packages/mailman/core/initialize.py", line 188, in initialize
initialize_1(config_path)
File "/usr/lib/python3/dist-packages/mailman/core/initialize.py", line 123, in initialize_1
mailman.config.config.load(config_path)
File "/usr/lib/python3/dist-packages/mailman/config/config.py", line 106, in load
with open(filename, 'r', encoding='utf-8') as user_config:
PermissionError: [Errno 13] Permission denied: '/etc/mailman3/mailman.cfg'
Could anyone tell me how to I correct this error? Thanks.