Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6e2ca1e3fc55476792402277192a897623e684d58a86eefcae56c4c8b6dc0f88:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^