Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 85c47fa2591c7342dc4139b8d003dd6d1b37017e190eff8f22713eb66ffb8d6f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^