unknown running process ?

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Hello,

i just set up (first time) my sitemap.xml for google.
Nevertheless i was surprised to find an not canonical entry.

<loc>http://------.de?cID=132</loc>

I realised that id132 is suited only in my sitemap/trash container - ("ok i thought - you just forgot to delete due some former action")(ID132 is an empty page, holding my blank standard site layout - head/footer)

Now, if i try to delete this page - it allways returns..
just like respawning. I really don`t know why this happens, where it comes from.

Is there some sort of "concrete5 reserved job" ?
Why all my generated sitemap files (should) hold permantly an empty & untitled page located in my trash folder??

Thank you.