ESU 10 Student Activities Error

Error Data

Message: Sequence contains no elements
DateTime: 10/30/2020 12:25:13 PM
GetHashCode: 64850301
GetType: System.InvalidOperationException
HelpLink:
Source: System.Core
StackTrace: at System.Linq.Enumerable.Last[TSource](IEnumerable`1 source) at scienceolympiad_ScoreBoard.Page_Load(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Request Data

ASP.NET_SessionId: dkczpqcxrlm0txmscmvdxtx3
ALL_HTTP: HTTP_CONNECTION:Keep-Alive HTTP_ACCEPT:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 HTTP_ACCEPT_ENCODING:br,gzip HTTP_ACCEPT_LANGUAGE:en-US,en;q=0.5 HTTP_HOST:nesoinc.org HTTP_USER_AGENT:CCBot/2.0 (https://commoncrawl.org/faq/)
ALL_RAW: Connection: Keep-Alive Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Encoding: br,gzip Accept-Language: en-US,en;q=0.5 Host: nesoinc.org User-Agent: CCBot/2.0 (https://commoncrawl.org/faq/)
APPL_MD_PATH: /LM/W3SVC/6/ROOT
APPL_PHYSICAL_PATH: C:\Proweb\NEScienceOlympiad\
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: 6
INSTANCE_META_PATH: /LM/W3SVC/6
LOCAL_ADDR: 172.31.241.28
PATH_INFO: /ScienceOlympiad/ScoreBoard.aspx
PATH_TRANSLATED: C:\Proweb\NEScienceOlympiad\ScienceOlympiad\ScoreBoard.aspx
QUERY_STRING:
REMOTE_ADDR: 34.234.207.100
REMOTE_HOST: 34.234.207.100
REMOTE_PORT: 36824
REQUEST_METHOD: GET
SCRIPT_NAME: /ScienceOlympiad/ScoreBoard.aspx
SERVER_NAME: nesoinc.org
SERVER_PORT: 80
SERVER_PORT_SECURE: 0
SERVER_PROTOCOL: HTTP/1.1
SERVER_SOFTWARE: Microsoft-IIS/10.0
URL: /ScienceOlympiad/ScoreBoard.aspx
HTTP_CONNECTION: Keep-Alive
HTTP_ACCEPT: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
HTTP_ACCEPT_ENCODING: br,gzip
HTTP_ACCEPT_LANGUAGE: en-US,en;q=0.5
HTTP_HOST: nesoinc.org
HTTP_USER_AGENT: CCBot/2.0 (https://commoncrawl.org/faq/)

User Data

User Name:
User ID: 0