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Documents and best practices for using MathObjects

internal://tri.html' and 1=1 and ''='

Created: Monday, 23 March 2009, 12:19 PM by

Exception - core\output\core_renderer::user_picture(): Argument #1 ($user) must be of type stdClass, false given, called in [dirroot]/mod/wiki/pagelib.php on line 1331

More information about this error

Debug info:
Error code: generalexceptionmessage

Stack trace:

line 2259 of /lib/classes/output/core_renderer.php: TypeError thrown
line 1331 of /mod/wiki/pagelib.php: call to core\output\core_renderer->user_picture()
line 1267 of /mod/wiki/pagelib.php: call to page_wiki_history->print_history_content()
line 87 of /mod/wiki/history.php: call to page_wiki_history->print_content()