Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ad75d4d9164fc2fdbc806a5c13614554f9de5bcd64c4c757d00f6eef982f4fd2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^