Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2fce0acfccaf6735b62bdf73c19f0a68c102e71bf854e9ccc18ae5e3490db20c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^