Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 08a2d3e89e5b6b85fc28b126e0160629c7ccd8421880d770305ed02e38ecdfc4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^