Can't reach PostgresQL database. "too many clients alreadyconnection to server"

I can not connect my postgresql server. By railway admin panel, the error message displays as the screenshot. And, I also can not connect by TablePlus(MacOS DB client app) by same error message. How can I solve this or know more detailed info? I am not senior DB engineer so I may cause easy mistake...
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Solution:
New reply sent from Help Station thread:
https://www.answeroverflow.com/m/1193174625648128041
You're seeing this because this thread has been automatically linked to the Help Station thread....
FATAL: sorry, too many clients already - Railway
I am trying to connect to PostgreSQL and I am getting this error a while after I restart the database.
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4 Replies
Percy
Percy4d ago
Project ID: a4502355-3a2e-4b1a-8423-538dbf6e55ec
meijin
meijin4d ago
My project ID is a4502355-3a2e-4b1a-8423-538dbf6e55ec
Solution
Duchess
Duchess4d ago
New reply sent from Help Station thread:
https://www.answeroverflow.com/m/1193174625648128041
You're seeing this because this thread has been automatically linked to the Help Station thread.
FATAL: sorry, too many clients already - Railway
I am trying to connect to PostgreSQL and I am getting this error a while after I restart the database.
Brody
Brody4d ago
basically going to say what I've said in that thread