Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 06d96f75a831f5f6d8af0ab607d2a6efd777563addc464f5a6a8eaedebd74fb9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^