Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fed211355a4f269658d7fbc303cb7c02a93391b35f6256f562346fbe1848790c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^