Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> daa8cd7c8862069c1fcbdf685d95fe03f562bde1ebeca7fa197e2fb97718a637:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^