Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b9301dcfb412a966962e16b2cd8c2e6e613293d56a83149f22044d0f5ab8ff97:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^