Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 907b1eea7460c97a3c1b35848265393a4263afc79e0c781bc8ad9ce1e5d2fd21:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^