Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4de87e7e9000018a8e38f780d68d1e6f9ce39d3b3d27a1459b36513496b34b59:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^