Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c5906e1a766d20b649edb6b1f02ed7b2ea80ed8a4a3cddd70c3162842a1130cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^