Cannot update plugins from either GUI or CLI

root@openmediavault2:~# apt-get upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
4 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up openmediavault (6.9.11-4) ...
Creating configuration database ...
Migrating configuration database ...
Setting up Salt environment ...
Traceback (most recent call last):
File "/usr/bin/salt-call", line 33, in <module>
sys.exit(load_entry_point('salt==3007.0', 'console_scripts', 'salt-call')())
File "/usr/lib/python3/dist-packages/salt/scripts.py", line 438, in salt_call
import salt.cli.call
File "/usr/lib/python3/dist-packages/salt/cli/call.py", line 3, in <module>
import salt.cli.caller
File "/usr/lib/python3/dist-packages/salt/cli/caller.py", line 12, in <module>
import salt.channel.client
File "/usr/lib/python3/dist-packages/salt/channel/client.py", line 21, in <module>
import salt.utils.minions
File "/usr/lib/python3/dist-packages/salt/utils/minions.py", line 12, in <module>
import salt.auth.ldap
File "/usr/lib/python3/dist-packages/salt/auth/ldap.py", line 9, in <module>
from jinja2 import Environment
File "/usr/lib/python3/dist-packages/jinja2/__init__.py", line 12, in <module>
from .environment import Environment
File "/usr/lib/python3/dist-packages/jinja2/environment.py", line 25, in <module>
from .defaults import BLOCK_END_STRING
File "/usr/lib/python3/dist-packages/jinja2/defaults.py", line 3, in <module>
from .filters import FILTERS as DEFAULT_FILTERS  # noqa: F401
File "/usr/lib/python3/dist-packages/jinja2/filters.py", line 13, in <module>
from markupsafe import soft_unicode
ImportError: cannot import name 'soft_unicode' from 'markupsafe' (/usr/local/lib/python3.9/dist-packages/markupsafe/__init__.py)
[ERROR   ] An un-handled exception was caught by Salt's global exception handler:
ImportError: cannot import name 'soft_unicode' from 'markupsafe' (/usr/local/lib/python3.9/dist-packages/markupsafe/__init__.py)
Traceback (most recent call last):
File "/usr/bin/salt-call", line 33, in <module>
sys.exit(load_entry_point('salt==3007.0', 'console_scripts', 'salt-call')())
File "/usr/lib/python3/dist-packages/salt/scripts.py", line 438, in salt_call
import salt.cli.call
File "/usr/lib/python3/dist-packages/salt/cli/call.py", line 3, in <module>
import salt.cli.caller
File "/usr/lib/python3/dist-packages/salt/cli/caller.py", line 12, in <module>
import salt.channel.client
File "/usr/lib/python3/dist-packages/salt/channel/client.py", line 21, in <module>
import salt.utils.minions
File "/usr/lib/python3/dist-packages/salt/utils/minions.py", line 12, in <module>
import salt.auth.ldap
File "/usr/lib/python3/dist-packages/salt/auth/ldap.py", line 9, in <module>
from jinja2 import Environment
File "/usr/lib/python3/dist-packages/jinja2/__init__.py", line 12, in <module>
from .environment import Environment
File "/usr/lib/python3/dist-packages/jinja2/environment.py", line 25, in <module>
from .defaults import BLOCK_END_STRING
File "/usr/lib/python3/dist-packages/jinja2/defaults.py", line 3, in <module>
from .filters import FILTERS as DEFAULT_FILTERS  # noqa: F401
File "/usr/lib/python3/dist-packages/jinja2/filters.py", line 13, in <module>
from markupsafe import soft_unicode
ImportError: cannot import name 'soft_unicode' from 'markupsafe' (/usr/local/lib/python3.9/dist-packages/markupsafe/__init__.py)
dpkg: error processing package openmediavault (--configure):
installed openmediavault package post-installation script subprocess returned error exit status 1
dpkg: dependency problems prevent configuration of openmediavault-compose:
openmediavault-compose depends on openmediavault (>= 6.9.4); however:
Package openmediavault is not configured yet.


dpkg: error processing package openmediavault-compose (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of openmediavault-omvextrasorg:
openmediavault-omvextrasorg depends on openmediavault (>= 6.4); however:
Package openmediavault is not configured yet.


dpkg: error processing package openmediavault-omvextrasorg (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of openmediavault-usbbackup:
openmediavault-usbbackup depends on openmediavault (>= 6.5.0); however:
Package openmediavault is not configured yet.


dpkg: error processing package openmediavault-usbbackup (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
openmediavault
openmediavault-compose
openmediavault-omvextrasorg
openmediavault-usbbackup
E: Sub-process /usr/bin/dpkg returned an error code (1)