Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c9e1e648559730e01a5207cfcad50e8a3fb5374973a391b80931af5842ae38eb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^