Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b6e08716e1ef24060643d720dac33f1dcc7e96dda29e15e4dd7ae54abfcf5862:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^