Sometimes you cannot remove or add arrows on the second hand, the only way to remove them is by using them with the bow, after removing all the arrows from the second hand, only then the second hand works normally again.
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duplicates
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[Mod] OcelotOnesie
migrated
Thank you for your report!
We're actually already tracking this issue at MCPE-70591, so I will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
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