Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b5ce2d4751fd0dfed16f52024fa85785e1a7cef94f43972ff09f0cd29d2c459d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^