Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 88824c7d0cc472378a23a9881399b9a0c4f90c16846e5b943d6d3ba3e1196157:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^