Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 81106cb38302c4a29971fb04588d21b0db467dfb64178db3421b100f0d788922:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^