Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a067c5b16b6f44178a132140f5b89ab4e9a3d4b53a2ef9124e19dfc65b06deee:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^