Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 52591e17d0598b2a865debebdfdd2f1627c80effca82fa3c4133ce9ce6c824c7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^