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I manually upgraded a Joomla 3.3 to 3.4.8, but Extensions > Manage > Database showed:

The Joomla! Core database tables have not been converted yet to UTF-8 Multibyte (utf8mb4).

I clicked Fix, and then received the error

Error on rename of '.\hydair3\#sql-32d4_c.frm' to '.\hydair3\#__overrider.frm' (Errcode: 13 - Permission denied) SQL=ALTER TABLE `#__overrider` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
Error on rename of '.\hydair3\#sql-32d4_c.frm' to '.\hydair3\#__postinstall_messages.frm' (Errcode: 13 - Permission denied) SQL=ALTER TABLE `#__postinstall_messages` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
Duplicate key name 'idx_alias' SQL=ALTER TABLE `#__categories` ADD KEY `idx_alias` (`alias`(100));

The database user has full permissions to the database.

Help appreciated.

Regards, Steve

1 Answer 1

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I edited configuration.php and replaced the db user with the local MySQL root user, and the errors no longer occurred.

This must mean the local MySQL user has rights issues to the local MySQL database.

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