Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 10f73f0f769cb6dbfac339b93bf96a8e72880a651fd5aeb636a7143a822a9a7e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^