Schema Acad has errors; cannot apply it 
Column {USER_DS}_apply_no_meta.Acad.Entity.Layer has conditional rows or rows with non-null values, cannot delete its property 
Column {USER_DS}_apply_no_meta.Acad.Entity.FeatId has conditional rows or rows with non-null values, cannot delete its property 
Cannot delete table "Acad"."Entity" because it has rows 
Column {USER_DS}_apply_no_meta.Acad.AcDbEntity.Layer has conditional rows or rows with non-null values, cannot delete its property 
Column {USER_DS}_apply_no_meta.Acad.AcDbEntity.FeatId has conditional rows or rows with non-null values, cannot delete its property 
Cannot delete table "Acad"."AcDbEntity" because it has rows 
