Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d1bd085eba1dbdba11b4e108648173b6f851650dde450b5aec8b73e9aeca0d06:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^