Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 972953404a7f000c99a70f6273c383ea95a2bcb5712e61dc00b5ab1dde1e742b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^