Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3cf1d5e916f091cfbbb8d068f0f83b45ab705476198c9e1304e6be5457da2a4a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^