Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 47bd09845b87e9bd72a6f3f771b2bfc76d517266f89f9b282b6f60227e53b1a4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^