Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c2de80f3a08fe9fb08641ec44e32fbc54b836e8de885129b6305aa86522dbaf7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^