Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80b2e2c77979994785df28b4dac93c7c28ec9969ddc7215480c0172cf7614b51:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^