Why am I getting a Sim Card Removed error message intermittently?

[AC Question]

Message appears intermittent

Samsung s4
SIM card removed?
The mobile network will be unavailable until you restart with a valid SIM card inserted
Restart

 

[Almeuit]

Re: Message appears intermittent

Did your phone get damaged from a fall or water damage? This could cause issues with the SIM.

If not I would suggest getting a new SIM card to see if that helps.