Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6c2f7d9968e37f84d7d1614a3cf8f7a10401341907f138dae59414460d137bde:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^