Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f3b3be872b77fe6d6dac76f772033cab817ed8fdde8dcd69455cbed789015728:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^