Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a8b6699021c13378ed7f9b5966e95a22806446e544a1fe500830e0a8ca60ce4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^