Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b01c2fa7bceaf05015a7f59654c359ca37a11c0f3b8f95f5082164a7155126f8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^