Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c1d2b74170006699643a995f237b867c86a0aaaba46b57c7b4b8d9fd03f073cf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^