Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f259aa0b80a5c3d8068a94350a31c82eff2bbad08b4aa844537f1df6800a0c85:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^