Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3792bd5a5bca34e8e79d809e8fba64dcafdb419b1a6f9bac7eab1b394355011d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^