Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> abeb983f0d921621182e794c2f322841eb9b38469b50c1da8f310629baa79fdb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^