Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f142d73972f1efd7aa411d834785f6e41d37faedb25f9f06dc0544ec3b5a38c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^