Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 912fd067c5e7793c2fcd97cd64b3be05a60123d31d7eed285c83fdce8bb3a93e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^