Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b6855913cc91f96872faebf13b81a81c96f1d7fe4d99b21be4a6a5af0370cb26:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^