Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b9a3b11ae83746d9d080886ba40d20d6bc06fcb9f0ff8f2d3788e10948a9f415:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^