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Editorial Team
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Asked: 2026-06-13T13:28:15+00:00

Anyone having problems with upgrading Store from 1.5.3 to 1.6.0 ? A PHP Error

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Anyone having problems with upgrading Store from 1.5.3 to 1.6.0 ?

A PHP Error was encountered
Severity: Notice
Message: Undefined index: register_member
Filename: store/mod.store.php
Line Number: 463

A PHP Error was encountered
Severity: Notice
Message: Undefined index: username
Filename: store/mod.store.php
Line Number: 474

A PHP Error was encountered
Severity: Notice
Message: Undefined index: screen_name
Filename: store/mod.store.php
Line Number: 474

A PHP Error was encountered
Severity: Notice
Message: Undefined index: password
Filename: store/mod.store.php
Line Number: 474

A PHP Error was encountered
Severity: Notice
Message: Undefined index: password_confirm
Filename: store/mod.store.php
Line Number: 474

Errors above started propping up on check out pages after the upgrade.

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1 Answer

  1. Editorial Team

    Things to try:

    • Make sure you have run the upgrade script under Add-ons > Modules > Run Module Updates
    • Try opening a different browser. If this solves the problem, then it’s probably session related. Emptying your exp_store_carts table should fix this for all customers.
    • Try deleting and re-uploading all the files for this module. Then run the update as above.

    As a last resort, you could also try completely uninstalling and re-installing the module.

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