Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b473516a1fb15fbf2f54954d0f1fddce42fb68b619dcfd3769c207b5d618b1cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^