Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f4f7d0d2fc20f57c1f788cb1462f81a22150a95e275f2f9383a8bec386100b10:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^