Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 87f516a4b6bc2d3e437309fb716160b4c25194518fb3e1ea2f7533321f079f4d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^