Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a9cd1560e2bf7f0c4ffaa36a7807fc81f4c9e86058d2bc787766d19da8ceeabb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^