Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18dc78aef551567810200a8d974137ca5226a68261adc74fb307fca8486d3d78:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^