I enable Memcahed cache and change app/etc/env.php to

array ( 
    'save' => 'memcached',
      'save_path' => '')

And now i get this error SessionHandler::read(): Unable to clear session lock record in I create session folder under var directory and i set permission 777 to all folders bud error does not fixed

1 Answer 1


It looks like you had enabled the Mamcached in the past and now the server refuses to generate the new cache. Just rename the cache folder and set the appropriate permission to that folder. After that, you will the site back on air without any error.

  • this problem was for 7 months ago ... I hope another user to check your solution and give me feedback to I set your answer as the accepted answer Commented Jun 27, 2019 at 14:19

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