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Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /mnt/disk1/hosted/cuadro_mando/vendor/yiisoft/yii2/views/dropColumnMigration.php on line 10

Warning: Undefined array key 1 in /mnt/disk1/hosted/cuadro_mando/vendor/yiisoft/yii2/views/dropColumnMigration.php on line 11
Warning: Undefined variable $table in /mnt/disk1/hosted/cuadro_mando/vendor/yiisoft/yii2/views/dropColumnMigration.php on line 22
`.
Fatal error: Uncaught Error: Using $this when not in object context in /mnt/disk1/hosted/cuadro_mando/vendor/yiisoft/yii2/views/dropColumnMigration.php:23 Stack trace: #0 {main} thrown in /mnt/disk1/hosted/cuadro_mando/vendor/yiisoft/yii2/views/dropColumnMigration.php on line 23