Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a9e01c1dfba02093c48cbbdf05bc535c975d5ef92128adb16a2be8fd81017bf1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^