Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b1ba20ccd00999842f3167d79afddf5a3dae8dadc74cf19ebf1257e5f9a45ec1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^