Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 13422ab5240f3f7d2af79062bf052f21b1a658772995ccb2ca4220d0f99c58e9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^