Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 87f51da1d1cac5b990dc4cb644da3285121bf3bcfffad5655207c31e9a8b7c11:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^