[TYPO3-linux] Re: Upgrade from latest v7 to latest v8 -> BE Error: TagBuilder' not found

[Selim]

Quote: Selim (elementel_lab) wrote on Thu, 01 June 2017 02:33
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> You should uninstall the extension "compatibility7". Your problem probably will be fixed.
> If you can not reach backend module to remöve "compatibility7" extension, then apply the solution offered by Christian (copying the TagBuilder.php file from typo3_src-7.6.x/typo3/sysext/fluid/Classes/Core/ViewHelper to typo3_src-8.7.x/typo3/sysext/fluid/Classes/Core/ViewHelper direcory).
> 
> Clear caches and try to login backend module. After login uninstall compatibility7 via extension manager. You can then remove the TagBuilder.php.
> 
> Selim
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Sorry, apply the solution for "compatibility6", not "compatibility7". My mistake.