Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8de5cb20a7b33d266f30413715a2670e6b30be483fe50f02a2a9b5f195b5e177:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^