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When the Home Screen Cannot Be Edited (When Using the Standard Operation Panel)

Messages	Causes	Solutions
`“The image data size is not valid. See the manual for required data.”`	The image data size is not valid.	For details about file size for shortcut image, see "Displaying an Image on the [Home] Screen (When Using the Standard Operation Panel)", Convenient Functions.
`“The format of the image data is not valid. See the manual for required data.”`	The file format of the shortcut image to be added is not supported.	The file format of shortcut images to be added must be PNG. Specify the image again.