Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b2c7f0ee270c5cb48a8fb90309491755cb486dc23f4ca0b494c5e6eaaaea272c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^