Changed my Samsung Galaxy a14 suboard and now it's not charging

So about a couple days ago I realized my Samsung Galaxy a14 wasn't charging anymore so after some investigating I realized that there was some partial corrosion in the port, after some time the it started charging slightly. But I have already ordered the part to replace it so I just decided to change it and after connecting everything and sitting it back in it won't charge anymore? It would show that it's charging but the percentage would go down while using it. I tried putting the old one back in but