Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bbff8d9eb8331e78b10b5ba3656b5e79d95fe5baf2854b0c44ad22134637cb82:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^