Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80d73b6307999b639a382a7768313cefcf73d4f7c90624467ac04c87f6e2458e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^