Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d12f8ce6e7dda0abe709faac0d565783a360bc414b8cd607cf43bdabb53177bf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^