Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 56f3e0613e48c9c7ead87fb94a6adf5e9032b3a2069af1d952d027bb38601bab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^