Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 197cb6069988eb3927ad2b11896f4fb3746eda3e75e1a4615d66cbbd5d51b766:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^