Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cca9f651398d83bf3b3e5f37488c65dbcadfe8d55a8dd389ab94feceec42b2ec:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^