This is an archived bug report. If you are experiencing a similar issue, upgrade to the latest release and if that does not solve the problem, submit a new bug report
I am receiving the following error upon submission of a new forum topic with build 20091207 for both EE 2.0 and the forum module.
A PHP Error was encountered
Severity: Notice
Message: Undefined variable: notify_address
Filename: forum/mod.forum_core.php
Line Number: 6798
A PHP Error was encountered
Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at /home/xxx/public_html/xxxxx/xxx/core/Exceptions.php:166)
Filename: libraries/Functions.php
Line Number: 353ExpressionEngine implements Markdown Extra and BBCode. Please see the Markdown Extra docs and the BBCode Wikipedia article for a full reference.
**bold**, __bold__, *italics*, _italics_, ~strike/del~, `code()`
bold, italics, strike/del, code()
Link: [link title](https://example.com)
Image: 
[blockquote]...[/blockquote], [quote]...[/quote], and Markdown style:
> Some quoted text. > > This is all one quote.
[code]...[/code], and you can also specify the language for syntax highlighting, [code=php]...[/code]
GitHub flavored Markdown code fences are also supported:
```
public function decoderRing($str)
{
return str_rot13($str);
}
```