When we try to create a new page through PageType in the Tridion UI.It interface throws below errors -
"The item tcm:280-29837-64 does not exist."
Is this the id of the page I want to create since it no longer exists in tridion?
Can any body help me in this regard?
Note. - We identified the type of pagetype on those pages that already exist and are published.
Edit-1 . When we click the "Create Page" button (see attached screenshot), the above error appears.

In the cd_core.log file below, an error and warning appears -
ERROR XMLConfigurationReader - An error occurred while checking the file 'cd_ambient_conf.xml' with the schema 'schemas / cd_ambient_conf.xsd'. cvc-complex-type.2.4.a: Invalid content was found starting with the 'ClaimStoreProvider' element. One of the {Cookies] is expected.
WARN AmbientDataContext - current context of surrounding data does not exist - external data structure was not correctly initialized
Change-2 . Errors related to AmbientDataWork are now resolved, but we are still facing the same problem. There are two options in the user interface (a) "New Page" (b) Create and insert Content. This error also occurs when we go with the option "Create and paste content". Each time you click the Create Page or Create and Paste Content button, it generates a new identifier (XXX-59248 -64, then XXX-59249-64, etc.) For the page, the same method for the component also gives the above error message.
Note. - We are using IIS 6.
Edit-3 . I am using a VB script in my page templates.
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