Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 102b33a861033fda1750b326e9feae7f94183bb68fe675868a4716626460c07a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^