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  4. When I try to look at any graph, I can’t see any image, and if I try to inspect the broken icon, the page displays the following error message: “Fatal error: Call to undefined function: imagetypes()”

When I try to look at any graph, I can’t see any image, and if I try to inspect the broken icon, the page displays the following error message: “Fatal error: Call to undefined function: imagetypes()”

Answer: imagetypes() is a GD function, check if you have the GD library installed.

Also take a look at the PHP configuration file (php.ini) to check if it loads the gd.so library: Uncomment that line by deleting the ; character at the beginning of the line, you will find something like

;extension=gd.so

which will become

extension=gdd.so

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