Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 74fd2bb675da61de78773c85af7860ceb2b003ed30b57b25f09c8cecb6a95603:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^