Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 75299969ba7022325285dce22d6d87767434566f5e3ab6c5bf85b17597be3be3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^