Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a5de5ada20e0344ea54fbda48a46dad87c8bc79436fb82a042a0be3bd01a21d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^