Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6dea5ccf5ef8b09b51e575cc47d578f8a635648887aa11953028f43bf2ccad7d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^