phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '178810a6d2b6f8fe0439f3e09f935dbd' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('178810a6d2b6f8fe0439f3e09f935dbd', -1, 1762426182, 1762426182, 'd849d887', 4, 0, 0)

Line : 187
File : sessions.php