Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8b904ac9d68820d2127cd93d362ab16f8be359f8dd4cc3d323f45974b0aa98f8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^