Journeymode characters are blocked because they can research items (spoiling the fun of Survival) and enable godmode in the Journey UI.
You were unaware of the consequences.
Can you read the rules and quote the rule(s) you broke? Do this in a new reply, don’t edit your appeal. If you do not know how to quote the rules, read the guide How to quote the rules.
If you do not identify the right rule(s) that you broke or you do not know which ones you broke, I can make it clear.