Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4fc1be9c19549658a629e4868bf53e2f4eb68ac890f741da8ba6d0ca1c0d699a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^