Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 515d1d2bab41ba650c31503b9e88a6be6e693eb3d16160644cffd2f7ded2ecb7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^