'Unable to use Memory card. Slot 1' message when using SF-M and SF-G series memory card

IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.

If you get an error message saying "Unable to use Memory card. Slot 1", when inserting one of the following memory cards in the ILCE-7SM3:

• SF-M series
• SF-M series TOUGH specification
• SF-G series TOUGH specification

and are unable to operate the camera until you remove the memory card, we invite you to visit our SD card replacement program. 
The SD card you are using might be impacted and is causing this error message.