Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d1f9e2f3c8a1174e01f8875e489a3c4cce86c89cd628d5e8dc8805121557df44:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^