Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 821d474e66e0afb639e5ccae45864de5217df0478e5e0796655f51dbefaa54eb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^