Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec932b5144744d63ccaa2f8ba55e8d1c1819f660674130927ad3b30ebf85d80b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^