Configuration error: missing PHP extensions

WIKINDX requires the following PHP extensions to work properly :

Extension Status
gdDISABLED
CoreENABLED
dateENABLED
fileinfoENABLED
filterENABLED
gettextENABLED
hashENABLED
iconvENABLED
jsonENABLED
mbstringENABLED
libxmlENABLED
mysqliENABLED
pcreENABLED
sessionENABLED
SimpleXMLENABLED
xmlreaderENABLED

Please install and enable them.

After that, refresh this page (with Ctrl+F5) or follow this link.