Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c83f7f713ba14558d41244fea8af41fc964a926b548a02dc31b66dfda428ff37:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^