Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> af448a45788c2b9457180e475f9e8f0ad463c1230a2a27f1bfdf11667372b77f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^