Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0007ef3867900197977afbf0a56044438d0a0f7f9e62c7de38b01cce3db92ef3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^