Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> efc317242f46e3d8b0fe6af2ab700fc326413ea6635f5f12d0f5d1cf890d1f13:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^