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When I add a link I receive an errror message stating that the function sha1() is unavailable.:

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In order for LinkMachine to determine the Alexa rank of a web page, it is now necessary to use Php's sha1() function. This function is only available in version 4.3 or later of Php. If your web server has a version of Php earlier than 4.3, your choices are to request that your web host upgrade the version of Php that is running on the web server, or to disable the fetching of the Alexa rank information by LinkMachine. This can be turned off under Change Settings, Interface Settings, by un-checking the checkbox labelled Show the Alexa Rank of Each Site.

Other questions in this category:

	Make sure your LinkMachine directory has all write permissions set to true.
	Please make sure that your site's 'linkmachine' directory and 'lm.php' file have all write permissions set to true, then try again.
	Make sure that your site's "linkmachine/templates" directory has all write permissions set to true.
	This is where LinkMachine is set to place the link page files. Make sure this directory exists and has all write permissions set to true.
	Error generating link pages. Using an FTP program, make sure write permissions are set to true on all of the link page files.
	Please make sure your site's 'linkmachine' directory and 'url.dat' file have all write permissions turned on.
	The site cannot be contacted at this time
	This site cannot access the internet currently. Please try again later.
	Fatal error: Allowed memory size of 8388608 bytes exhausted
	Parse Error
	This site cannot access the internet currently. Please try again later.
	Corrected error. Please log in again.
	Fatal error: Unsupported operand types
	If you would like to use LinkMachine on additional sites, you may purchase additional site licenses...
	CGI Error The specified CGI application misbehaved by not returning a complete set of HTTP headers.
	Invalid argument supplied for foreach()
	Internal Server Error
	When I enter a particular URL in my link submission form and click 'Fetch Info', I receive the error 'Could not load the page at URL'.
	Warning: file_exists(): open_basedir restriction in effect.
	Fatal error: Cannot redeclare class soapclient
	Warning: Unresponsive script. A script on this page may be busy, or it may have stopped responding.
	PHP Fatal error: Call to undefined function: o1bd()
	Warning: fopen(linkmachine.dat) [function.fopen]: failed to open stream: Permission denied
	Warning: fwrite(): supplied argument is not a valid stream resource