Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31053be203d1ce07909cea885241085f3f7a96e0c5b9fa5d789a13cb7c220f9a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^