Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5b4286b207669bfc5b5475a50e35a650a1c7cd90a9ae6640bbb22660283dfbd9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^