Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 932fc1d31f0703f8042cc71b8ef5765e8518ffe35b31d1b5ffbbfd70213fe518:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^