Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fcd6ef9778a5dfce82b70f65e2021654d855a6f99755a1833011c03f3edb8945:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^