Console running...
Attempting to install package with signature: upgrademodx-1.5.5-pl
Package found...now preparing to install.
Could not open file for reading: upgrademodx-1.5.5-pl.transport.zip?revolution_version=Revolution-2.3.3-pl
MODX could not download the file. You must enable allow_url_fopen, cURL or fsockopen to use remote transport packaging.
Could not transfer package upgrademodx-1.5.5-pl.transport.zip to /var/www/vhosts/xxxxxx/httpdocs/corepackages/.
Could not install package with signature: upgrademodx-1.5.5-pl
Is there anything useful in the MODX error log (under Manage -> Reports on the Top Menu)?
The first one suggests that there's a problem with the permissions or ownership of the core/packages directory or its files. Or that you've protected that directory with a Media Source permission setting in MODX.
BTW, you really need to upgrade MODX to 2.4.0, then 2.5.0, then 2.6.0, then the current version using the UpgradeMODX extra, which you may have to install manually by downloading the transport file and putting it in the core/packages directory, then doing "Search Locally for Packages" in Package Manager.
Start Here (click on "Previous Versions"): https://modx.com/download/other-downloads
The version you have has very serious security vulnerabilities and many MODX sites have been hacked lately, and upgrading could solve your problem (or not).
Installation Summary
Core installation was successful. Click next to complete the installation process.
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Config file successfully written.
Config file permissions successfully updated.
Error updating table for class transport.modTransportProvider
Array
(
[0] => 00000
[1] =>
[2] =>
)
Error updating table for class transport.modTransportProvider
Array
(
[0] => 00000
[1] =>
[2] =>
)
Error updating table for class transport.modTransportProvider
Array
(
[0] => 00000
[1] =>
[2] =>
)
Error updating table for class modCategory
Array
(
[0] => 00000
[1] =>
[2] =>
)
Error updating table for class modCategory
Array
(
[0] => 00000
[1] =>
[2] =>
)
Successfully created table for class modAccessNamespace
Successfully upgraded table for class modAccessResourceGroup
Dropped index `principal_class` on table ``modx15_access_resource_groups``.
Successfully upgraded table for class modAccessResourceGroup
Added new index on `principal_class` for table ``modx15_access_resource_groups``.
Error updating table for class modTemplateVarResourceGroup
Array
(
[0] => 00000
[1] =>
[2] =>
)
Error updating table for class modManagerLog
Array
(
[0] => 00000
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)
Successfully converted user profile country names to ISO codes.
0 updated