Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e999a6714ae8539610fa90894f815a791afe1b8ed1099d331c6ef8c1dfccb723:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^