IOS PEN certificate error

[fern1]

We are trying to add the IOS pen certificate ON Campaign (already managed to add the Android server key without an issue) and have been getting this error:

Mobile Error code:21 - Invalid iOS certificate. Empty certificate key. Could not open a connection with APNS/APNS_SANDBOX server.
Error while executing the method 'ChangeMobileApp' of service 'nms:mobileApp'.

Our mobile dev told us he had created IOS certificate many times before without an issue. 
 Any idea how we can solve this?

Thanks in advance

[Craig_Thonis]

Hi Fern,

Can your mobile Dev ensure that the permissions in launch are sufficient and allow write access? We have seen this occur once or twice in the past and that was typically the problem.

Thanks,

Craig

[fern1 · Accepted solution]

Hi Craig,

After many trials and many certificates created by our app dev team we managed. 
Tbh we are still not sure what made it work, and we didn´t have to change any setup previously made in launch..
I think it was related to sandbox.