Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e7d3d21fac083b39e43401a087dd6208a6b2e67e636d8e2f6460b30863e983d2:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^