Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ef7c4e30d931264c41190fcaa46f0c63fcc3f3ffb2666b1baa35530ca3d9223e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^