Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bcf1ea836995b4dfabc8d3d0fb27229f2fd3f5289308793fbaa8c04953d9050c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^