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An error occurred.

We are sorry, but Gallery Server Pro encountered an error. It has been logged and, if error reporting is enabled, an email describing the problem has been sent to the administrator.

Error: Collection was modified; enumeration operation may not execute.

Error Summary

Url

http://212.224.73.247/gallery/default.aspx?moid=2724

Timestamp

6/24/2026 11:01:21 AM

Exception Type

System.InvalidOperationException

Message

Collection was modified; enumeration operation may not execute.

Source

mscorlib

Target Site

Void ThrowInvalidOperationException(System.ExceptionResource)

Stack Trace

at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
at System.Collections.Generic.List`1.Enumerator.MoveNextRare()
at System.Collections.Generic.List`1.Enumerator.MoveNext()
at GalleryServerPro.Business.Album.Add(IGalleryObject galleryObject)
at GalleryServerPro.Business.Factory.AddChildObjects(IAlbum album)
at GalleryServerPro.Business.Factory.LoadAlbumInstance(IAlbum album, Boolean inflateChildMediaObjects)
at GalleryServerPro.Business.Album.Inflate(Boolean inflateChildMediaObjects)
at GalleryServerPro.Business.Album.GetChildGalleryObjects()
at GalleryServerPro.Business.Album.GetChildGalleryObjects(Boolean sortBySequence, Boolean excludePrivateObjects)
at GalleryServerPro.Business.Album.GetChildGalleryObjects(GalleryObjectType galleryObjectType, Boolean sortBySequence, Boolean excludePrivateObjects)
at GalleryServerPro.Web.Pages.GalleryPage.GetMediaObjectHtml(IGalleryObject mediaObject, DisplayObjectType displayType, Boolean isCallBack)
at GalleryServerPro.Web.Controls.mediaobjectview.RenderMediaObject()
at GalleryServerPro.Web.Controls.mediaobjectview.Page_Load(Object sender, EventArgs e)
at System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e)
at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e)
at System.Web.UI.Control.OnLoad(EventArgs e)
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

App Error ID

-2147483648

Gallery ID

1

HTTP User Agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

Form Variables

<none>

Cookies

ASP.NET_SessionId

nf1yxj45bt1wav3i5qqdpn45

Session Variables

ReferringUrl

http://212.224.73.247/gallery/default.aspx?moid=2724

HostUrl

http://212.224.73.247

Server Variables

ALL_HTTP

HTTP_CACHE_CONTROL:max-age=0
HTTP_CONNECTION:keep-alive
HTTP_VIA:1.1 squid-proxy-5b96dc6d46-6nzsm (squid/6.13)
HTTP_ACCEPT:*/*
HTTP_ACCEPT_ENCODING:gzip, br, zstd, deflate
HTTP_COOKIE:ASP.NET_SessionId=nf1yxj45bt1wav3i5qqdpn45
HTTP_HOST:212.224.73.247
HTTP_USER_AGENT:Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
HTTP_X_FORWARDED_FOR:10.8.98.13

ALL_RAW

Cache-Control: max-age=0
Connection: keep-alive
Via: 1.1 squid-proxy-5b96dc6d46-6nzsm (squid/6.13)
Accept: */*
Accept-Encoding: gzip, br, zstd, deflate
Cookie: ASP.NET_SessionId=nf1yxj45bt1wav3i5qqdpn45
Host: 212.224.73.247
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
X-Forwarded-For: 10.8.98.13

APPL_MD_PATH

/LM/W3SVC/114/ROOT/gallery

APPL_PHYSICAL_PATH

f:\daten\wwwroot\diwa\Gallery\gallery\

AUTH_TYPE

AUTH_USER

AUTH_PASSWORD

LOGON_USER

REMOTE_USER

CERT_COOKIE

CERT_FLAGS

CERT_ISSUER

CERT_KEYSIZE

CERT_SECRETKEYSIZE

CERT_SERIALNUMBER

CERT_SERVER_ISSUER

CERT_SERVER_SUBJECT

CERT_SUBJECT

CONTENT_LENGTH

0

CONTENT_TYPE

GATEWAY_INTERFACE

CGI/1.1

HTTPS

off

HTTPS_KEYSIZE

HTTPS_SECRETKEYSIZE

HTTPS_SERVER_ISSUER

HTTPS_SERVER_SUBJECT

INSTANCE_ID

114

INSTANCE_META_PATH

/LM/W3SVC/114

LOCAL_ADDR

212.224.73.247

PATH_INFO

/gallery/default.aspx

PATH_TRANSLATED

f:\daten\wwwroot\diwa\Gallery\gallery\default.aspx

QUERY_STRING

moid=2724

REMOTE_ADDR

216.73.217.73

REMOTE_HOST

216.73.217.73

REMOTE_PORT

20066

REQUEST_METHOD

GET

SCRIPT_NAME

/gallery/default.aspx

SERVER_NAME

212.224.73.247

SERVER_PORT

80

SERVER_PORT_SECURE

0

SERVER_PROTOCOL

HTTP/1.1

SERVER_SOFTWARE

Microsoft-IIS/8.5

URL

/gallery/default.aspx

HTTP_CACHE_CONTROL

max-age=0

HTTP_CONNECTION

keep-alive

HTTP_VIA

1.1 squid-proxy-5b96dc6d46-6nzsm (squid/6.13)

HTTP_ACCEPT

*/*

HTTP_ACCEPT_ENCODING

gzip, br, zstd, deflate

HTTP_COOKIE

ASP.NET_SessionId=nf1yxj45bt1wav3i5qqdpn45

HTTP_HOST

212.224.73.247

HTTP_USER_AGENT

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

HTTP_X_FORWARDED_FOR

10.8.98.13