Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a9b6fc692d6e155f00428d33781c4179dfc26fcfe7b3751953a41b628aa2d436:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^