Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7ef73126237b2ef5edd374e94321bc18228000e601a509e02899691f181e85c4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^