Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18061289be3f6466d03798a4311bff7bb7786ea1f17d3ea9193684f0b6ee6730:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^