Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 11693e35935af879e638bde26f6a23d69d3c2dfc68c7c2beeae1c7a6eccc8d0c:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^