Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7d4778a36f1989dc762e77f700e31a71501d3efb9ce04c1774a54c8c67a461b9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^