Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 68e47fa912a6794819b257473121fe8a2d67f88f598289ca25fcce4949be259c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^