this is due to some kind of memory leak that to my knowledge, doesn't have a bug id yet with cisco.
I have to admit I haven't pursued the issue as the immediate workaround is to reload router and add DP. Whoever manages to have a case opened, I will do the same and cross-reference cases to push toward bug status.
I took your advice and uploaded a new image (the specific image you reco'd as well as a couple others) and none of the updated images corrected the problem. The strange part is that I had many additional dial-peers added with my original configuration. I removed some while cleaning things up and then attempted to add a couple and received the error .... Currently I'm running on the image from your post. Any additional suggestions?
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.