Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5789fa2cbf37e4b5468cc465b75a595fa25cf33665bebdb15216658274de2a6f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^