Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d4ea421df4654dd9b1b83ec58a8bcd77186a86976991e00948c6bf4c4ddf891a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^