Have you an idéal of How to solve this problem.
Pay a higher fee next time.
For this transaction, you can:
- Wait for it to confirm
- Wait for most nodes on the network to forget the transaction and then try sending again with a higher fee
- Attempt a RBF transaction if your wallet supports it
- Attempt a CPFP transaction if you have access to any of the transaction outputs
- Ask someone that has the ability to influence which transactions a mining pool confirms to include your transaction in that pool's next block