Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> efed9248328873327a0e37a3c86ef4798b6d9a124ebe3b3625867bdf3972532a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^