Voicemail Error Message

[Mindly]

In the Manager error list I'm getting the following error message:

"Voicemail files are not present on IP Office for locales: United States (US English)"

There are two occurrences of this error message, one for Item Type "System" and the other for Item Type "User"

IP Office 9.0.0.0 build 829
Using embedded voicmail.

When incoming calls come in, no voicemail picks up.

System status shows, for the 1st 5 rings, that the "Destination End Party" is "ARS MAIN"
On the 6th ring it changes to "Mailbox # username", the destination phone stops ringing, no voicemail answers and the originating party continues to hear ringing endlessly until they decide to hang up.

Any insight / assistance would be appreciated.

 

[amriddle01]

Someone has upgraded or recreated the SD card incorrectly, so the voicemail prompts are all missing hence the error

 

[Mindly]

Thanks for your response. To address this issue, I uploaded system files via Embedded File Management.
As a result, I am no longer getting the "Voicemail files are not present on IP Office for locales: United States (US English)" messages in the Manager error list.
The condition, which may not be related, still exist whereas the voicemail box associated with the DID for each user does not answer incoming calls, even though the System Status utility indicates that the calls are being forwarded to voicemail after the 6th ring. This condition has been happening for about a week. Prior to a week ago, there had been no issues with this system.

Any ideas?

Thanks.