Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c0518e772853b1239b12cb40bf116afc35491f951ba3c666bd2f9ac9bcf2bd11:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^