Error: SQLSTATE[42S21]: Column already exists: 1060 Duplicate column name 'incentive' (Connection: mysql, SQL: ALTER TABLE default_bonus 
        ADD COLUMN incentive FLOAT NOT NULL DEFAULT 0,
        ADD COLUMN meal FLOAT NOT NULL DEFAULT 0,
        ADD COLUMN loans FLOAT NOT NULL DEFAULT 0,
        ADD COLUMN transp FLOAT NOT NULL DEFAULT 0,
        ADD COLUMN taswia FLOAT NOT NULL DEFAULT 0
    )