add following code if not present
<IfModule mod_security.c># Turn off mod_security filtering.SecFilterEngine Off# The next part below probably is not needed, but better safe than sorry.
SecFilterScanPOST Off
</IfModule>
<IfModule mod_security.c># Turn off mod_security filtering.SecFilterEngine Off# The next part below probably is not needed, but better safe than sorry.
SecFilterScanPOST Off
</IfModule>
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