Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4991a05b60c776734b3893470e1d19f0ce849a542db8f2bdcf73844bbb41a7a5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^