Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6ab5f1e8fae80cec910c02db16851ae9d5a40dbc63160b4419d2f7d623c27a6f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^