Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a89e3cdb104244ff4381c0f6f715ffd9fe608437a6810c8ec888fb316a8eab88:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^