Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5dc9dc996db51974e15ededf5bab8811f051f928e6d19d5a19591a1f03dd1e31:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^