Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 14617a967de4c0ed10bb51bf9c86e4239ae3b3ce06875c1a26096fb7f78de8cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^