could not write to the log file

1566293253 35.173.48.224 SQL: CREATE TABLE IF NOT EXISTS LkupSyn ( LkupSynId INT(11) NOT NULL AUTO_INCREMENT, LkupSynName VARCHAR(50) NOT NULL DEFAULT '', LkupSynDesc VARCHAR(50) NULL DEFAULT '', LkupSynLabel VARCHAR(50) DEFAULT NULL, LkupSynOrder INT(11) NULL DEFAULT 0, LkupSynText TEXT NULL DEFAULT '', PRIMARY KEY (LkupSynId) );
>1566293253 35.173.48.224 Query execution failed.
>1566293253 35.173.48.224 BLOB/TEXT column 'LkupSynText' can't have a default value
>
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Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/lib/php/session) in Unknown on line 0