Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2808e1bd0086c2f636a7be654a7befd1b822de929f7894d6f9bf6694da7c0b9e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^