That chart is a mindfuck to me, Ive had autos with longer than 2 week veg periods so I dont really know if they intend you to use that dosage wether its flowering or not. Best thing you can do right now is monitor the new growth with the new dosage, if the new leaves come healthy green stick to the table. Its a mistery to me how following the dosage and using a substrate like light mix from biobizz youre having problems to be honest. If I were you and I had the money I would swap nutes, because the soil youre using is very straight forward, just peat, perlite, a bit of castings and low npk. Did you buy all the products in the chart?