Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4817dab6387fb58f12c7f656c67978a978deaa889af0aef679a8ed4adafdd558:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^