Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b5c3b2d65a1a06afd3b370425fce5a9684b1e89da151b3b166fddad3173db58a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^