Compiler errors

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Deathwish

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I've had this for a while now i tought upgrading would fix it but it didn't

ParseError: syntax error, unexpected 'Fn' (T_FN), expecting identifier (T_STRING) or '{' in src/XF/Template/Compiler.php at line 8

  1. Composer\Autoload\includeFile() in src/vendor/composer/ClassLoader.php at line 322
  2. Composer\Autoload\ClassLoader->loadClass()
  3. spl_autoload_call() in src/XF/App.php at line 1291
  4. XF\App->XF\{closure}() in src/XF/Container.php at line 28
  5. XF\Container->offsetGet() in src/XF/App.php at line 2969
  6. XF\App->templateCompiler() in src/XF/Service/Template/Compile.php at line 11
  7. XF\Service\Template\Compile->recompile() in src/XF/Service/Phrase/Compile.php at line 71
  8. XF\Service\Phrase\Compile->recompileIncludeContent() in src/XF/Entity/Phrase.php at line 198
  9. XF\Entity\Phrase->_postDelete() in src/XF/Mvc/Entity/Entity.php at line 1580
  10. XF\Mvc\Entity\Entity->delete() in src/XF/AddOn/DataType/AbstractDataType.php at line 117
  11. XF\AddOn\DataType\AbstractDataType->deleteEntity() in src/XF/AddOn/DataType/AbstractDataType.php at line 103
  12. XF\AddOn\DataType\AbstractDataType->deleteAddOnData() in src/XF/Job/AddOnUninstallData.php at line 54
  13. XF\Job\AddOnUninstallData->run() in src/XF/Job/Manager.php at line 253
  14. XF\Job\Manager->runJobInternal() in src/XF/Job/Manager.php at line 195
  15. XF\Job\Manager->runJobEntry() in src/XF/Job/Manager.php at line 79
  16. XF\Job\Manager->runQueue() in src/XF/Admin/Controller/Tools.php at line 139
  17. XF\Admin\Controller\Tools->actionRunJob() in src/XF/Mvc/Dispatcher.php at line 321
  18. XF\Mvc\Dispatcher->dispatchClass() in src/XF/Mvc/Dispatcher.php at line 244
  19. XF\Mvc\Dispatcher->dispatchFromMatch() in src/XF/Mvc/Dispatcher.php at line 100
  20. XF\Mvc\Dispatcher->dispatchLoop() in src/XF/Mvc/Dispatcher.php at line 50
  21. XF\Mvc\Dispatcher->run() in src/XF/App.php at line 2177
  22. XF\App->run() in src/XF.php at line 390
  23. XF::runApp() in admin.php at line 13
 

Heisenberg

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I've had this for a while now i tought upgrading would fix it but it didn't

ParseError: syntax error, unexpected 'Fn' (T_FN), expecting identifier (T_STRING) or '{' in src/XF/Template/Compiler.php at line 8

  1. Composer\Autoload\includeFile() in src/vendor/composer/ClassLoader.php at line 322
  2. Composer\Autoload\ClassLoader->loadClass()
  3. spl_autoload_call() in src/XF/App.php at line 1291
  4. XF\App->XF\{closure}() in src/XF/Container.php at line 28
  5. XF\Container->offsetGet() in src/XF/App.php at line 2969
  6. XF\App->templateCompiler() in src/XF/Service/Template/Compile.php at line 11
  7. XF\Service\Template\Compile->recompile() in src/XF/Service/Phrase/Compile.php at line 71
  8. XF\Service\Phrase\Compile->recompileIncludeContent() in src/XF/Entity/Phrase.php at line 198
  9. XF\Entity\Phrase->_postDelete() in src/XF/Mvc/Entity/Entity.php at line 1580
  10. XF\Mvc\Entity\Entity->delete() in src/XF/AddOn/DataType/AbstractDataType.php at line 117
  11. XF\AddOn\DataType\AbstractDataType->deleteEntity() in src/XF/AddOn/DataType/AbstractDataType.php at line 103
  12. XF\AddOn\DataType\AbstractDataType->deleteAddOnData() in src/XF/Job/AddOnUninstallData.php at line 54
  13. XF\Job\AddOnUninstallData->run() in src/XF/Job/Manager.php at line 253
  14. XF\Job\Manager->runJobInternal() in src/XF/Job/Manager.php at line 195
  15. XF\Job\Manager->runJobEntry() in src/XF/Job/Manager.php at line 79
  16. XF\Job\Manager->runQueue() in src/XF/Admin/Controller/Tools.php at line 139
  17. XF\Admin\Controller\Tools->actionRunJob() in src/XF/Mvc/Dispatcher.php at line 321
  18. XF\Mvc\Dispatcher->dispatchClass() in src/XF/Mvc/Dispatcher.php at line 244
  19. XF\Mvc\Dispatcher->dispatchFromMatch() in src/XF/Mvc/Dispatcher.php at line 100
  20. XF\Mvc\Dispatcher->dispatchLoop() in src/XF/Mvc/Dispatcher.php at line 50
  21. XF\Mvc\Dispatcher->run() in src/XF/App.php at line 2177
  22. XF\App->run() in src/XF.php at line 390
  23. XF::runApp() in admin.php at line 13
Try disabling all the plugins and see if the error is still there and if it's gone then enable them one by one till you find out which one or ones could be causing it.
 

Deathwish

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Try disabling all the plugins and see if the error is still there and if it's gone then enable them one by one till you find out which one or ones could be causing it.
i get the same error when i try to disable/enable a plugin, they do disable/enable though, i read somewhere it has to do with php 7.4 but when i try to go back to 7,3 xf stops working completly
 

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Make sure you have the same extensions loaded for php 7.4 and 7.3 and then try doing it. I suspect if the site stops loading completely that a needed php extension is off. You can look at your server error logs when the site won't load on 7.3 to get a better idea of what extension is causing the site not to load.
 

Deathwish

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Make sure you have the same extensions loaded for php 7.4 and 7.3 and then try doing it. I suspect if the site stops loading completely that a needed php extension is off. You can look at your server error logs when the site won't load on 7.3 to get a better idea of what extension is causing the site not to load.
already tried this it says that mysqli functions dont work even though they are enabled.
 

Heisenberg

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already tried this it says that mysqli functions dont work even though they are enabled.
You should contact your host then on that and make them fix the issue on the server. Otherwise, contact your panel support as this is something that they should help you with.