Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7b7f9a32b69d82ffa3095a475906508b33f06617a4a8e84c2bef6decd0f418a3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^