Media Upload Error

Hello all
I’ve started using Omeka S again after a long time away from it. I am having trouble with uploading images as Media to an item. I have turned on display error messages and the error logging function, as per the manual (Retrieving Error Messages - Omeka S User Manual), but this has not resulted in any message showing other than ‘Omeka S encountered an error’.
Any suggestions?

Same issue when I installed on Nginx…

An nginx install won’t have, or at least won’t respect, the .htaccess file that those instructions tell you to change, so that’s expected. In that case I’d suggest using the logging feature rather than the display one, which logs to a file and doesn’t rely on anything Apache-specific for enabling it.

For the first poster, I’d give similar advice. Some servers have issues turning on error display, but the log won’t be affected. If you turned on the logging feature in addition to the display, check the log (logs/application.log). Make sure you’ve made that log file writable by the server (the same kind of permissions you need to grant to the “files” folder).

Many thanks @jflatnes . Setting the permissions of the log file so that it’s writable has worked.
I now need to interpret the logs. Can you point me in the right direction for error logs?

Here’s what I now get after trying to upload an image to an Item.

2023-10-17T12:32:52+00:00 ERR (3): Omeka\File\Exception\InvalidThumbnailerException: ImageMagick error: invalid ImageMagick command. in /home/u804044085/domains/
Stack trace:
#0 /home/u804044085/domains/ Omeka\File\Thumbnailer\ImageMagick->setConvertPath()
#1 /home/u804044085/domains/ Omeka\File\Thumbnailer\ImageMagick->setOptions()
#2 /home/u804044085/domains/ Omeka\File\TempFile->storeThumbnails()
#3 /home/u804044085/domains/ Omeka\File\TempFile->mediaIngestFile()
#4 /home/u804044085/domains/ Omeka\Media\Ingester\Upload->ingest()
#5 /home/u804044085/domains/ Omeka\Api\Adapter\MediaAdapter->hydrate()
#6 /home/u804044085/domains/ Omeka\Api\Adapter\AbstractEntityAdapter->hydrateEntity()
#7 /home/u804044085/domains/ Omeka\Api\Adapter\ItemAdapter->hydrate()
#8 /home/u804044085/domains/ Omeka\Api\Adapter\AbstractEntityAdapter->hydrateEntity()
#9 /home/u804044085/domains/ Omeka\Api\Adapter\AbstractEntityAdapter->update()
#10 /home/u804044085/domains/ Omeka\Api\Manager->execute()
#11 /home/u804044085/domains/ Omeka\Api\Manager->update()
#12 /home/u804044085/domains/ Omeka\Mvc\Controller\Plugin\Api->update()
#13 /home/u804044085/domains/ Omeka\Controller\Admin\ItemController->editAction()
#14 /home/u804044085/domains/ Laminas\Mvc\Controller\AbstractActionController->onDispatch()
#15 /home/u804044085/domains/ Laminas\EventManager\EventManager->triggerListeners()
#16 /home/u804044085/domains/ Laminas\EventManager\EventManager->triggerEventUntil()
#17 /home/u804044085/domains/ Laminas\Mvc\Controller\AbstractController->dispatch()
#18 /home/u804044085/domains/ Laminas\Mvc\DispatchListener->onDispatch()
#19 /home/u804044085/domains/ Laminas\EventManager\EventManager->triggerListeners()
#20 /home/u804044085/domains/ Laminas\EventManager\EventManager->triggerEventUntil()
#21 /home/u804044085/domains/ Laminas\Mvc\Application->run()
#22 {main}

Can anyone help with these error messages? I’m at a loss!