Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d73918c7de8f3f4b9b86c62a04827d3dbb9e4a2a4e981db37adf090ebdad6999:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^