Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2157158fafdbb3b81594689f9cf3af354014a0087bc900ce691c02f20ada2769:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^