Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 412405fb1a5e4a2f94f0d6a4358f933f69f911fa694d0312f9b38e50fa31e7c1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^