Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 10b6b48b6ef329e574f20c673ffd8e71fc6ab43a7bf5193f0d4009822866e980:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^