resistances down when receive the scroll of resistance

Discuss Median XL!
Dark Huntress
12 | 2
I had 75 % (80% in cold) all resistance and the last thing i received was the scroll of resistance, and let in inventory
when i come in later, all my stats went down , even when reset with akara ,can´t recover my stats ,,,,,it is a bug??

playing with a fire/poison sorc


removing my gear and putting it back , I recover all