Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e47e93966db552e406a9666a8d2fac6f0a75da96ba48b4addd888cca15526dbc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^