Error by publish a change. 2016051112433526d641

Hi, when I remove a site in the backend all works fine.
But when I publish this, there is an error:

When contacting the maintainer of this application please mention the following reference code:

Hey Stefan,

please look up the exception with the given number in Data/Logs/Exceptions/. The detailed exception is definitely needed for further help.


Thanks. I check in the last days something and there is a problem with php7.0.7.
I had change to php5.6.x ans all problems gone!