Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c1e879359e247f981f9aaf96a3aaf3d314c5cd33d3edbcb88477eb0c777fde76:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^