Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b842ba2d677b23a609b5c4f4fecbd48e7fc7cd92752633cc389179a1cdccf4cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^