Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c68147e6eea778ec2ec69124488081152989143cc3a67816b9de6b44d1adcbdd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^