phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1c0bc6c91c8c811b902adbd7cd901210' 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 ('1c0bc6c91c8c811b902adbd7cd901210', -1, 1765756532, 1765756532, 'd849d836', -4, 0, 0)

Line : 187
File : sessions.php