Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c6f738b0d9ea66b87643651c35770b440cecb8925418cb5cf351f8cdb221daab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^