Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 65e5c1fa056008a24b490db0d49cf5c3e836b11074cf7986c5e41c048e9fb7c0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^