Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5199bc61f12e344c970b143533b34b5ecdf3ff0674b77bbe435eb63897bc1d6a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^