Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9b61db44d91b8af4a1ac13cec80a73c2b62e89237c5c83586cc8aba68188e24b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^