Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 869c39e79e3b2efb9a984df35aa64f1647e0d57d055695a1d4ad6f114379a4e2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^