Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 678a864c0761d5cd41ad770b48308f8e5e7838ddc3bfc392227d3c69d20f69ac:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^