Files and folders cannot be named '.' or '..', nor can they contain any of the following characters: # % & * | \ : " < > ? /
You cannot name files and folders either '.' or '..'. For example, a file name such as ..sql is incorrect. Also, files and folders cannot contain the following characters:
Pound (#).
Percent (%).
Ampersand (&).
Asterisk (*).
Vertical bar (|).
Backslash (\).
Colon (:).
Double quotation mark (").
Less than (<).
Greater than (>).
Question mark (?).
Forward slash (/).
Leading or trailing spaces (' '). Such spaces are stripped.
Names reserved for Windows or DOS ("nul", "aux", "con", "com1", "lpt1", and so on).
To correct this error
- Reenter the file or folder name.