Name not valid. Acceptable characters are A-Z,a-z,0-9,"-", "_",
".", and ":".\n Name cannot begin with "-" or "_".
Explanation:
Specify a valid name using alphanumeric or national characters:
- A - Z
- a - z
- 0 - 9
- A dash ( - )
- An underscore ( _ )
- A period ( . )
- A colon ( : )
Do not begin a name with a dash or underscore.