Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6168c2a03c37c3de1d62c6f02f0fa93b30067c663e352410eae76cdb6db76d5b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^