Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18500b1f52cd986abdc1ff423347b509d4974cd32f13baf02651bca17eb8c1f2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^