Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a00add0f67e6467d2da9cd47f87460d2d3542b8909d5c91bb32e1c8b188543d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^