Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f4d915033b4de81d836560a69d0b28c5c8e23c69345a5a29f9d60a0d1e045a46:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^