Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f54cab912d18d90fb5d4e1fe469b998706476636d0fde701779036f6eb6e8c08:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^