Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4633dd28078396dc77e24883d3f4996bbf23b0714ce04adc0f4e1e680cd3aa8c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^