Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a3ecc1ec05ab460caabfad81f3790b4a2e538c3d3ce5ecfc670eb590016676bb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^