I am using local wallet with the bitcoin core.
Before, I sent 35000 satoshi (about 45 days ago) and it still not confirmed.
Today, I am experiencing that again.
I sent 10000 satoshi (with 1720 fee) and it still not confirmed.

Please check transactions.
dc73b2f90f8e9c556daef3ba7cb7e306e4fade2ea6199c142c858bc5f960a39d-000
73c0400f15a3edea153f7b487647c4fc9df6026f7b9a9e50bf8a26cdcd5fa95d-000

why does this happen?
please help me.