Sick Plant

After 5 wks of flowering my girls show signs of something ......Yelow spots and edges onleaves near buds. Please help me understand if anything is wrong and what to do about it.

how much u water and what ferts and how much? it looks like nute lockout. but it could be underwatering

As seen in figure 10 consumption of nitrogen (N) from the fan leaves during the final phase of flowing is 100% normal.