A fatal MySQL error occured.

Query:
DELETE FROM pmd_sessions WHERE id='nk5j1ffsj6mt88flt28a3i5in5'

Error:
(1290) The MariaDB server is running with the --read-only option so it cannot execute this statement

A fatal MySQL error occured.

Query:
REPLACE INTO pmd_sessions VALUES ('nk5j1ffsj6mt88flt28a3i5in5','',1516778698,'1a9b79c21206631125f840432b9a0890')

Error:
(1290) The MariaDB server is running with the --read-only option so it cannot execute this statement