Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1fef38e3dc03db612934838196f6b0006fd7e5e573b3249f117cdcf6e1d91f1e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^