Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e3936c2672a0cecf45e6d6371690c4957b4b81c956655e9fdbc95cda5fd1011f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^