If you enter a boat, sail above the bubbles that break the boat, and then your boat breaks. Your player will enter a state in which you can not break blocks properly or interact with entities. This is fixed by re-joining the world/server.
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galaxy_2alex
Thank you for your report!
However, we are already tracking this issue, and this report is a Duplicate of MC-186085.
Please use the search function in the future to prevent duplicate reports.
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