Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b2eb155ffc1d47778f6fcc9747e9b84b09b20232e570834e44791b8cc9e1fc5b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^