Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9d330f58da7f732b13bd13d6854977c7a8c0d0f9a4763ea9cc248f989f117dea:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^