Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d4020a5e3981c4d01c04fcf927910a85e1d1fedf6ffea9028a02ba6000bcac75:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^