Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d34c3f2594c9c3912227e56da5df61c4079275f21b8547b5091ea082131cd61a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^