Increase file upload size

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1

I was about to upload my PDF files. Some of these files are larger than 10mb, but then an error message displayed in a pop up box saying:

An error occurred while trying to upload the file test.pdf

Invalid Security Token
-```

I've checked media configuration in Media > File Upload Limit and it seems like there's no configuration there on how to increase the file upload size.

Is there any way to increase the file upload size?
2

I’ve copied and pasted the php configuration file into my folder, increased the file upload size there and saved the changes. I’ve cleared cache and nothing has been changed.

3

Closing this thread as it’s already fixed.