The following system core files were found: python3.8.core. Please create a ticket at https://jira.ixsystems.com/ and attach the relevant core files along with a system debug. Once the core files have been archived and attached to the ticket, they may be removed by running the following command in shell: 'rm /var/db/system/cores/*'
Before this error, I couldn't log in to the web GUI, and see this message:
I've attached the core file dump