Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cd9ba12f4633134e77f2dce4fc5b94ca1882f6c2eff08cf3cd2d8b44305ca30c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^