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Migrating and Upgrading to Joomla! 3.x • Error in preparing for upgrade to 4

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I was following instructions on https://docs.joomla.org/Joomla_3.x_to_4 ... _Migration to update a client's site from 3.10 to 4 (in preparation to go to 5. I realize he is way behind.)

Following the instruction: "Go to System → Global Configuration → Server tab and turn Error Reporting from System Default to Maximum. Make sure to Save & Close."

I hit Save and the following is all I can see:


Deprecated: Joomla\Input\Input implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /home4/thestate/public_html/johnboukis/blog/libraries/vendor/joomla/input/src/Input.php on line 41

Deprecated: Return type of Joomla\Input\Input::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home4/thestate/public_html/johnboukis/blog/libraries/vendor/joomla/input/src/Input.php on line 170

Deprecated: Joomla\CMS\Input\Input implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /home4/thestate/public_html/johnboukis/blog/libraries/src/Input/Input.php on line 31

Warning: session_name(): Session name cannot be changed after headers have already been sent in /home4/thestate/public_html/johnboukis/blog/libraries/joomla/session/handler/native.php on line 128

Deprecated: Joomla\CMS\Input\Cookie implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /home4/thestate/public_html/johnboukis/blog/libraries/src/Input/Cookie.php on line 0

Warning: session_cache_limiter(): Session cache limiter cannot be changed after headers have already been sent in /home4/thestate/public_html/johnboukis/blog/libraries/joomla/session/handler/native.php on line 235
Error: Failed to start application: Failed to start the session because headers have already been sent by "/home4/thestate/public_html/johnboukis/blog/libraries/vendor/joomla/input/src/Input.php" at line 41.

Statistics: Posted by nagaho2 — Thu Feb 15, 2024 10:33 pm



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