suffering back pain after gym help?

[Ali]

im 16 years old , ive been doing gym 3 times per week for 4 months...ive been suffering from lower and upper back pain...when i do gym , i do 10 minutes cardio , an hour of weight lifting ( i dont use more than 88 lbs for my muscles) and 30 minutes abs exercice...i focus on meat and proteins nutrition but this back pain is killing , i wake up having it and when i keep standing for a while it gets worse...what shud i do? what cud be causing this? thanks in advance