Please specify what you can't interact with your world (etc.)
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How to download your world in aternos: https://support.aternos.org/hc/en-us/articles/360027235711
How to Upload your world: https://support.aternos.org/hc/en-us/articles/360027235751
How to Install Datapacks: https://support.aternos.org/hc/en-us/articles/360044777411
sorry, updated