When first time typing the slash the world freezes you can still move but entity and stuff doesn't, the world freezes like this too when you enter the first command or run the first function from addons or mods.
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[Mod] OcelotOnesie
migrated
Thank you for your report!
We're tracking this issue in MCPE-128485, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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