Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8f3be578f3cc68a12f3b3409980969b43df8f9c1256a91d75fabd0c1d23cf821:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^