Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 849257c3c871ec51c9e563e6b62b8d4b10c72b059ba78f86b82d99d1afe32187:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^