Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f15ae0cc1382f5169a418a7a114854514c28a2edcfc3666c94d8a09f1295ca1d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^