Shopping Cart Operations > General Support
1.4.2 Missing "+" Icon to Add Option Values on One Site But Not the Other
Ali Arslan:
First of all, thank you for your support and clarification regarding the option types. That was really helpful.
Now, I am facing an issue while installing AbanteCart on my domain. I downloaded the official package from the AbanteCart website, extracted it on my server, and accessed the installation via browser.
1-License agreement step completes successfully.
2-Compatibility validation also shows all checks as passed.
However, during the configuration step, after entering the database and admin details and clicking Continue, the installation proceeds to the data load phase and then throws the following error:
"Parse error has occurred during installation."
Error.txt :
2025-07-10 8:09:44 - Unknown Error: AbanteCart core v.1.4.2 ADB::__construct(): Argument #1 ($driver) must be of type string, null given, called in /home/server/public_folder/domain/shop/install/model/install.php on line 260
Trace:
#0 /home/server/public_folder/domain/shop/install/model/install.php(260): ADB->__construct(NULL, NULL, NULL, NULL, NULL, NULL, Array)
Could you please help me understand the cause of this error and how to resolve it?
abolabo:
--- Quote from: Ali Arslan on July 10, 2025, 04:40:07 AM ---First of all, thank you for your support and clarification regarding the option types. That was really helpful.
Now, I am facing an issue while installing AbanteCart on my domain. I downloaded the official package from the AbanteCart website, extracted it on my server, and accessed the installation via browser.
1-License agreement step completes successfully.
2-Compatibility validation also shows all checks as passed.
However, during the configuration step, after entering the database and admin details and clicking Continue, the installation proceeds to the data load phase and then throws the following error:
"Parse error has occurred during installation."
Error.txt :
2025-07-10 8:09:44 - Unknown Error: AbanteCart core v.1.4.2 ADB::__construct(): Argument #1 ($driver) must be of type string, null given, called in /home/server/public_folder/domain/shop/install/model/install.php on line 260
Trace:
#0 /home/server/public_folder/domain/shop/install/model/install.php(260): ADB->__construct(NULL, NULL, NULL, NULL, NULL, NULL, Array)
Could you please help me understand the cause of this error and how to resolve it?
--- End quote ---
What if remove file system/config.php and try to install ?
Ali Arslan:
Thank you for your suggestion.
I already had an empty system/config.php file in place, but as advised, i deleted it completely and attempted the installation process again. Unfortunately, the same error persists during the Data Load step.
Please let us know if there’s anything else i should try?
abolabo:
i had checked the code and looks like you have a problem with your server configuration.
Looks like error related to session data, but it is empty (! have no idea why).
We'll try to improve this code in the future, but now you should to ask your hosting provider about that.
Something blocks session data on server during installation.
Also this can be related to session cookie blocker on browser side. (you can try to remove all cookies of your domain before start).
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