phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ebbf504eab282bf32b6e9c7b5c8af2c5' 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 ('ebbf504eab282bf32b6e9c7b5c8af2c5', -1, 1789080438, 1789080438, 'd849d94f', 4, 0, 0)

Line : 187
File : sessions.php