Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f47dd82c99ea1d1810b71277b0c69760a4f938232eb565ab581009dfcd2d6ce:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^