Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa1e4b9531887f29c2e22a83e8db44d42ef75231d2a0988da71bd498885aeeda:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^