Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 827aec5105d0033ce56150bc4c2871ae42d1e043d60fb06d5d9d70c2dc27b196:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^