Installing updates i get this error message - Could not get lock

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Install Updates Error log
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Install Updates could not fetch the package cache information lists.
Go to https://www.freecinema2022.gq/forums/ and paste the log below into a new or existing thread for assistance.

============ Log ===========

Reading package lists...
E: Could not get lock /var/lib/apt/lists/lock. It is held by process 2889 (apt-get)
E: Unable to lock directory /var/lib/apt/lists/
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Adrian Saftoiu