Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d9164262002fedfc2ec29a88d7748989a50a0f83831be3ff5b30f56756bf79e9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^