Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 83c935647e79bb899811800b65be6bbb6ec5876d3ccb12a14d2d73ac930ebde3:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^