This prompt indicates that the storage space of the device is nearly full. You need to clear unnecessary files to ensure the normal system is running.
Delete files: Delete G-code files or time-lapse camera files that are no longer needed in time to free up storage space.
Check storage: Periodically check storage space usage to avoid overuse.
View the current storage space usage.
Delete unnecessary files to release storage space.
Ensure that there is enough storage space to support normal printing and system functions.