Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fb20af3841a2608187932d320d1600d71449384e00a8c3b22006185d737e3aec:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^