Pairing Error is a fairly prevalent problem in Tata Play. This error frequently happens after a long period of inactivity on your Set-Top box. When a connection is not recharged for an extended period of time, Tata Play deactivates it. When you try to turn on the same set-top box, you may encounter this error even though you have recharged your connection and you will see the below screen with the message “This is the wrong card for this set top box”.The pairing error is one of Tata Play's most frequent issues. After a prolonged period of inactivity on your Set-Top box, this error usually occurs. Tata Play deactivates a connection if it is not recharged for an extended period of time. Even if your connection has been recharged, this problem may still occur when you try to power on the same set-top box, displaying the message "This is the wrong card for this set top box" on the screen below.

The incorrect card was used with this set-top box (pairing error).
Digicard ID is XXXX XXXX XXXX (14) NDS No.: XXXXX XXXX XXXX XXXX

A code 14 pairing error like this cannot be fixed by changing channels. The message on the error
Turn ON the Set-top box and keep it running
If you are getting pairing error 14, leave the set-top box turned on for 10 to 30 minutes.

If the error disappears and you can view channels again, the problem has been resolved.

If this approach resolves your problem, it indicates your set-top box had trouble retrieving data from the Tata Play database.

So, if you leave the set-top box powered on for a few minutes, it will attempt to retrieve the data from the database.

https://tripleoutlook.com/how-to-fix-tata-play-pairing-error-14/