Update error 500

Failed to execute command 'export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin; export LANG=C.UTF-8; export LANGUAGE=; omv-salt deploy run --no-color cron 2>&1' with exit code '1': Traceback (most recent call last):
File "/sbin/omv-salt", line 26, in <module>
import salt.client
File "/usr/lib/python3/dist-packages/salt/client/__init__.py", line 28, in <module>
import salt.cache
File "/usr/lib/python3/dist-packages/salt/cache/__init__.py", line 15, in <module>
import salt.config
File "/usr/lib/python3/dist-packages/salt/config/__init__.py", line 16, in <module>
import salt.syspaths
File "/usr/lib/python3/dist-packages/salt/syspaths.py", line 21, in <module>
import salt.utils.platform
File "/usr/lib/python3/dist-packages/salt/utils/platform.py", line 10, in <module>
from salt.utils.decorators import memoize as real_memoize
File "/usr/lib/python3/dist-packages/salt/utils/decorators/__init__.py", line 19, in <module>
import salt.utils.args
File "/usr/lib/python3/dist-packages/salt/utils/args.py", line 13, in <module>
import salt.utils.data
File "/usr/lib/python3/dist-packages/salt/utils/data.py", line 17, in <module>
import salt.utils.yaml
File "/usr/lib/python3/dist-packages/salt/utils/yaml.py", line 9, in <module>
from salt.utils.yamlloader import *
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 786, in exec_module
File "<frozen importlib._bootstrap_external>", line 918, in get_code
File "<frozen importlib._bootstrap_external>", line 587, in _compile_bytecode
EOFError: marshal data too short


OMV\ExecException: Failed to execute command 'export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin; export LANG=C.UTF-8; export LANGUAGE=; omv-salt deploy run --no-color cron 2>&1' with exit code '1': Traceback (most recent call last):
File "/sbin/omv-salt", line 26, in <module>
import salt.client
File "/usr/lib/python3/dist-packages/salt/client/__init__.py", line 28, in <module>
import salt.cache
File "/usr/lib/python3/dist-packages/salt/cache/__init__.py", line 15, in <module>
import salt.config
File "/usr/lib/python3/dist-packages/salt/config/__init__.py", line 16, in <module>
import salt.syspaths
File "/usr/lib/python3/dist-packages/salt/syspaths.py", line 21, in <module>
import salt.utils.platform
File "/usr/lib/python3/dist-packages/salt/utils/platform.py", line 10, in <module>
from salt.utils.decorators import memoize as real_memoize
File "/usr/lib/python3/dist-packages/salt/utils/decorators/__init__.py", line 19, in <module>
import salt.utils.args
File "/usr/lib/python3/dist-packages/salt/utils/args.py", line 13, in <module>
import salt.utils.data
File "/usr/lib/python3/dist-packages/salt/utils/data.py", line 17, in <module>
import salt.utils.yaml
File "/usr/lib/python3/dist-packages/salt/utils/yaml.py", line 9, in <module>
from salt.utils.yamlloader import *
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 786, in exec_module
File "<frozen importlib._bootstrap_external>", line 918, in get_code
File "<frozen importlib._bootstrap_external>", line 587, in _compile_bytecode
EOFError: marshal data too short in /usr/share/php/openmediavault/system/process.inc:197
Stack trace:
#0 /usr/share/php/openmediavault/engine/module/serviceabstract.inc(62): OMV\System\Process->execute()
#1 /usr/share/openmediavault/engined/rpc/config.inc(170): OMV\Engine\Module\ServiceAbstract->deploy()
#2 [internal function]: Engined\Rpc\Config->applyChanges(Array, Array)
#3 /usr/share/php/openmediavault/rpc/serviceabstract.inc(123): call_user_func_array(Array, Array)
#4 /usr/share/php/openmediavault/rpc/serviceabstract.inc(149): OMV\Rpc\ServiceAbstract->callMethod('applyChanges', Array, Array)
#5 /usr/share/php/openmediavault/rpc/serviceabstract.inc(588): OMV\Rpc\ServiceAbstract->OMV\Rpc\{closure}('/tmp/bgstatusoc...', '/tmp/bgoutputPi...')
#6 /usr/share/php/openmediavault/rpc/serviceabstract.inc(159): OMV\Rpc\ServiceAbstract->execBgProc(Object(Closure))
#7 /usr/share/openmediavault/engined/rpc/config.inc(192): OMV\Rpc\ServiceAbstract->callMethodBg('applyChanges', Array, Array)
#8 [internal function]: Engined\Rpc\Config->applyChangesBg(Array, Array)
#9 /usr/share/php/openmediavault/rpc/serviceabstract.inc(123): call_user_func_array(Array, Array)
#10 /usr/share/php/openmediavault/rpc/rpc.inc(86): OMV\Rpc\ServiceAbstract->callMethod('applyChangesBg', Array, Array)
#11 /usr/sbin/omv-engined(537): OMV\Rpc\Rpc::call('Config', 'applyChangesBg', Array, Array, 1)
#12 {main}