Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8b435b217e7665d6085bca95460f1b63e7bd3ed5b268cebbafe1ae542865d8a7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^