Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4e95eb25c22047644613eae0a1b01674e22216c457272273453ed820da156632:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^