Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 07b458f2505a9cbf6ceec1a08db99cbc1ecafe855877f3d0761c320d254537c8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^