Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 318f2e79cf83f9ea5d1bcdc841b2d15caae503360c3ace35818397b324dd8cf1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^