Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0d31360c51a5a5c94d6c1fd8c5bd9dc107d8b3e179afe3595eb8854f21091ea2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^