Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 05471a6974767ec85bca3753e05a8f6fe2ddc2582d445d643123070eeba5806e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^