Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a5687238f1b1f1da23bb27d28a308988b1f75a43bbe46b9ddd93d54c50b7ea63:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^