Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8a5481468109b2e6b0f58eaa87210fbf504a302f0d7514360ae9c6443a00fe24:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^