Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a1e227a38e9a52dd1e4d99e5917e5b0088dfcf000955d7a6ca31c9f15a788d1f:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^