Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7b5038a13db7a59ca6d074544d2628165da085b9fb06f25843d5a9fa9e555c9d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^