The installation process went perfectly. but when I replace the original file by file modifications, eg index.php in dir / www, I often wapsite error. I have a plan to update the version to 4.4.0, what should I do? I can only use the support of this temporary cell phone. how to backup all data wapsite how? of the number of members that nearly 250 people, attack files and topics in the forum, also download files in dir.
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