Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5cfc7d25ceeb98ac47558f003f5fa990aa2ff434d1b43f40341c355410b11247:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^