phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1114 The table 'phpbb_sessions' is full

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('774c902ed7d561833932e5873f2c4cf9', -1, 1519444346, 1519444346, '365acab8', 11, 0, 0)

Line : 187
File : sessions.php