Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fe673ae15a8a720986b6c631f2ce48e3179b7bcaa13aa23bb031ea135fdfd637:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^