Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bbaac83f8e27e56bcbd8f73803d1206389520d4d0e4f7b4c9f87630a08c32727:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^