Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8ff15549620a8cedcedc1fd3da12551cbd4c043e69909bf9fa9a95f29f13c96b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^