Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4a7847834ef26a963c1e84aa8cefbe64c39ea46eaeb2ba531e668305a948571c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^