Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bb1ea6d1072f3870f94ad1e7478e595b93b6ce2b21387aef9d0841e2132f1124:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^