Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 68206cff63cf4ae00a9d006496153445a4ab1c2dcdcd4692c3a5deea8e1d4048:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^