Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6fcb51ba73df7132ebf6af2ef6a78ae32abcb3c504de79361cdde5fc1c2da724:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^