Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c291e3b0721fa13f3a55e5273cc1c8878b47f19db4ae5197bc2f83273839cb02:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^