Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 115619e8f2d6a1d029ab237354bfb1da68bd899f0a74908233bea3e34a8d9953:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^