Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b6981d5af93251aec15784be6792d9ef24f25611f7e73f379092e5fecba0c0c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^