Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bd06ccafdc77be9baec0edb9b0d55bc0ef4bd70cb92fc209d86fc98720869a06:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^