Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e46f71dda43a9b8e9f7c01add604d731b4f1b29790c4096196d0a5ad79dc234c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^