> For the complete documentation index, see [llms.txt](https://docs.xibosignage.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.xibosignage.com/kb/resolving-common-issues/i-o-exception-error.md).

# I/O Exception error?

Images are cached in the Players local library and are opened when they are to be shown. If Xibo cannot open the image for some reason, it will provide an I/O Exception and skip the image.

Common causes for this error are listed below:

* Read Only Storage
* Corrupted Storage
* Corrupted Download (will be re-downloaded)
* Corrupted Upload to the CMS

As a general rule, if this error message is happening for every image, the most likely cause is that the storage has become read only. If it is happening for 1 image only, then it is more likely to be a corruption.


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