System Error - Sony ILCE-7C Help Manual

Check that a lens is mounted. For an unsupported lens, set "Release w/o Lens" in the menu to "Enable".
The lens is not attached properly, or the lens is not attached. If the message appears when a lens is attached,
reattach the lens. If the message appears frequently, check whether the contacts of the lens and product are clean or
not.
When attaching the product to an astronomical telescope or similar instrument, or using an unsupported lens, set
[Release w/o Lens] to [Enable].
Unable to print.
You tried to mark RAW images with a DPOF mark.
Internal temp. high. Allow it to cool.
The product has become hot because you have been shooting continuously. Turn the power off and cool the product
and wait until the product is ready to shoot again.
(Overheating warning)
You have been recording images for a long time, the product temperature has risen.
(Database file full)
The number of images exceeds that for which date management in a database file by the product is possible.
(Database file error)
Unable to register to the database file. Import all the images to a computer and recover the memory card.
Image DataBase File error
There is something wrong in the Image Database File. Select [Setup] → [Recover Image DB].

System Error

Camera Error. Turn power off then on.
Remove the battery pack, and then re-insert it. If the message appears frequently, consult local authorized Sony
service facility.
Image Database File error. Recover?
You cannot record and play back a movie because the Image Database File is damaged. Recover the Image
Database File following the on-screen instructions.
Unable to magnify.
Unable to rotate image.
Images recorded with other products may not be enlarged or rotated.
Cannot create more folders.
A folder in the memory card has the first three digits "999." You cannot create any more folders on this camera.
Related Topic
Notes on memory card
Format
Release w/o Lens
659