Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 218ea3129b6f322bec50d52e8a25021eb3a00a218db3c212abf43f975cbbf7d3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^