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	<id>https://hlwiki.com/index.php?action=history&amp;feed=atom&amp;title=HL_ErrorCodes</id>
	<title>HL ErrorCodes - Revision history</title>
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	<updated>2026-04-18T11:36:22Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://hlwiki.com/index.php?title=HL_ErrorCodes&amp;diff=345&amp;oldid=prev</id>
		<title>Lostarch at 20:34, 3 March 2026</title>
		<link rel="alternate" type="text/html" href="https://hlwiki.com/index.php?title=HL_ErrorCodes&amp;diff=345&amp;oldid=prev"/>
		<updated>2026-03-03T20:34:20Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:34, 3 March 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Hotline_Nav&lt;/del&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;HotlineNav&lt;/ins&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Error Codes ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Error Codes ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;/table&gt;</summary>
		<author><name>Lostarch</name></author>
	</entry>
	<entry>
		<id>https://hlwiki.com/index.php?title=HL_ErrorCodes&amp;diff=343&amp;oldid=prev</id>
		<title>Lostarch: Created page with &quot;{{Hotline_Nav}} == Error Codes ==  Error codes in the Hotline protocol are 4-byte (32-bit) integers. A value of &#039;&#039;&#039;0&#039;&#039;&#039; always indicates &quot;No Error&quot; (Success).   === General Errors === These are commonly returned in the Transaction Header during basic operations.  {| class=&quot;wikitable&quot; ! Code (Dec) !! Constant !! Description |- | 0 || &lt;nowiki&gt;err_None&lt;/nowiki&gt; || Success / No Error. |- | -1 || &lt;nowiki&gt;err_Generic&lt;/nowiki&gt; || A non-specific error occurred. |- | 1 || &lt;nowiki...&quot;</title>
		<link rel="alternate" type="text/html" href="https://hlwiki.com/index.php?title=HL_ErrorCodes&amp;diff=343&amp;oldid=prev"/>
		<updated>2026-03-03T20:33:48Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{Hotline_Nav}} == Error Codes ==  Error codes in the Hotline protocol are 4-byte (32-bit) integers. A value of &amp;#039;&amp;#039;&amp;#039;0&amp;#039;&amp;#039;&amp;#039; always indicates &amp;quot;No Error&amp;quot; (Success).   === General Errors === These are commonly returned in the Transaction Header during basic operations.  {| class=&amp;quot;wikitable&amp;quot; ! Code (Dec) !! Constant !! Description |- | 0 || &amp;lt;nowiki&amp;gt;err_None&amp;lt;/nowiki&amp;gt; || Success / No Error. |- | -1 || &amp;lt;nowiki&amp;gt;err_Generic&amp;lt;/nowiki&amp;gt; || A non-specific error occurred. |- | 1 || &amp;lt;nowiki...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Hotline_Nav}}&lt;br /&gt;
== Error Codes ==&lt;br /&gt;
&lt;br /&gt;
Error codes in the Hotline protocol are 4-byte (32-bit) integers. A value of &amp;#039;&amp;#039;&amp;#039;0&amp;#039;&amp;#039;&amp;#039; always indicates &amp;quot;No Error&amp;quot; (Success). &lt;br /&gt;
&lt;br /&gt;
=== General Errors ===&lt;br /&gt;
These are commonly returned in the Transaction Header during basic operations.&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! Code (Dec) !! Constant !! Description&lt;br /&gt;
|-&lt;br /&gt;
| 0 || &amp;lt;nowiki&amp;gt;err_None&amp;lt;/nowiki&amp;gt; || Success / No Error.&lt;br /&gt;
|-&lt;br /&gt;
| -1 || &amp;lt;nowiki&amp;gt;err_Generic&amp;lt;/nowiki&amp;gt; || A non-specific error occurred.&lt;br /&gt;
|-&lt;br /&gt;
| 1 || &amp;lt;nowiki&amp;gt;err_NotConnected&amp;lt;/nowiki&amp;gt; || The operation requires a connection that is no longer active.&lt;br /&gt;
|-&lt;br /&gt;
| 2 || &amp;lt;nowiki&amp;gt;err_Socket&amp;lt;/nowiki&amp;gt; || A low-level TCP/IP socket error occurred.&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
=== Login &amp;amp; Access Errors ===&lt;br /&gt;
These typically occur during Transaction 107 (Login) or when trying to perform restricted actions.&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! Code (Dec) !! Constant !! Description&lt;br /&gt;
|-&lt;br /&gt;
| 1000 || &amp;lt;nowiki&amp;gt;err_LoginFailed&amp;lt;/nowiki&amp;gt; || Invalid username or password.&lt;br /&gt;
|-&lt;br /&gt;
| 1001 || &amp;lt;nowiki&amp;gt;err_AlreadyLoggedIn&amp;lt;/nowiki&amp;gt; || The user is already connected to the server.&lt;br /&gt;
|-&lt;br /&gt;
| 1002 || &amp;lt;nowiki&amp;gt;err_AccessDenied&amp;lt;/nowiki&amp;gt; || The user does not have the required [[AccessPriviledges|Access Bit]] for this action.&lt;br /&gt;
|-&lt;br /&gt;
| 1003 || &amp;lt;nowiki&amp;gt;err_UserBanned&amp;lt;/nowiki&amp;gt; || The user&amp;#039;s IP or account has been banned from the server.&lt;br /&gt;
|-&lt;br /&gt;
| 1004 || &amp;lt;nowiki&amp;gt;err_ServerFull&amp;lt;/nowiki&amp;gt; || The server has reached its maximum user limit.&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
=== File &amp;amp; Transfer Errors ===&lt;br /&gt;
Returned during file system transactions (200-213).&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! Code (Dec) !! Constant !! Description&lt;br /&gt;
|-&lt;br /&gt;
| 2000 || &amp;lt;nowiki&amp;gt;err_FileNotFound&amp;lt;/nowiki&amp;gt; || The requested file or folder path does not exist.&lt;br /&gt;
|-&lt;br /&gt;
| 2001 || &amp;lt;nowiki&amp;gt;err_FileInUse&amp;lt;/nowiki&amp;gt; || The file is currently being accessed by another process.&lt;br /&gt;
|-&lt;br /&gt;
| 2002 || &amp;lt;nowiki&amp;gt;err_DiskFull&amp;lt;/nowiki&amp;gt; || The server disk is full; upload cannot complete.&lt;br /&gt;
|-&lt;br /&gt;
| 2003 || &amp;lt;nowiki&amp;gt;err_TransferFailed&amp;lt;/nowiki&amp;gt; || The binary transfer was interrupted or failed checksum.&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
=== News &amp;amp; Messaging Errors ===&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! Code (Dec) !! Constant !! Description&lt;br /&gt;
|-&lt;br /&gt;
| 3000 || &amp;lt;nowiki&amp;gt;err_NewsFull&amp;lt;/nowiki&amp;gt; || The news database cannot accept more posts.&lt;br /&gt;
|-&lt;br /&gt;
| 3001 || &amp;lt;nowiki&amp;gt;err_MsgRefused&amp;lt;/nowiki&amp;gt; || The recipient has the &amp;quot;Refuse Private Messages&amp;quot; flag set.&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
== Field ID 100 (Error Text) ==&lt;br /&gt;
Sometimes, a server will return a generic error code in the header but include &amp;#039;&amp;#039;&amp;#039;Field 104 (Error Text)&amp;#039;&amp;#039;&amp;#039; in the parameter list. This field contains a human-readable string explaining the error in more detail (e.g., &amp;quot;Maintenance in progress, please try again in 10 minutes&amp;quot;).&lt;br /&gt;
&lt;br /&gt;
[[Category:Hotline]]&lt;/div&gt;</summary>
		<author><name>Lostarch</name></author>
	</entry>
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