Error on adding a blog post

## Describe the bug
I get an error(_The page isn’t redirecting properly_), when trying to add a blog post

## Software Versions
- DNN: . 09.01.00
- Module: 6.4.2

## To Reproduce
Steps to reproduce the behavior:
1. Log in with an account that has permission to add posts(other than a superuser account account, for a superuser account no error is thrown)
2. Click the New Post! button
3. A window with the error _The page isn’t redirecting properly_ will show up

## Expected behavior
The post add window to open

## Screenshots

## Error log
`ModuleId:4029
ModuleDefId:1394
FriendlyName:
ModuleControlSource:DesktopModules/Blog/PostEdit.ascx
AbsoluteURL:/Default.aspx
DefaultDataProvider:DotNetNuke.Data.SqlDataProvider, DotNetNuke
ExceptionGUID:ee297e50-4c8c-4f83-b317-609c5cb107ed
AssemblyVersion:9.1.0
PortalId:0
UserId:87118
TabId:644
RawUrl:/Acasă/Blog/ctl/PostEdit/mid/4029/Blog/1
Referrer:https://intranet.unitbv.ro/Acas%C4%83/Blog
UserAgent:Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:98.0) Gecko/20100101 Firefox/98.0
ExceptionHash:KsHYffXoeHIeOufLq3/hB8+czPc=
Message:Object reference not set to an instance of an object.
StackTrace:
InnerMessage:Object reference not set to an instance of an object.
InnerStackTrace:
at DotNetNuke.Modules.Blog.PostEdit.Page_Load(Object sender, EventArgs e)
Source:
FileName:
FileLineNumber:0
FileColumnNumber:0
Method:
<b>Server Name</b>: WIN-IKMAA7K98UG`

Looking forward to a solution,
Thank you!