Cabletron Systems SmartSwitch Router Reference Manual page 49

-CLI-E-OPTREQSOPT option '<option_name>' requires ONE of these options:
<option_name>
Explanation:
The CLI command requires another option.
Recommended Action:
Re-enter command with the proper option.
-CLI-E-OPTUNKNWN unknown or ambiguous option '<option_name>'
Explanation:
One of the required CLI command options is invalid.
Recommended Action:
Re-enter command with the appropriate option.
-CLI-E-PARSEIVKYWD parser error - invalid keyword '<command_name>'
Explanation:
The CLI command has an invalid keyword.
Recommended Action:
Try again with appropriate keyword.
-CLI-E-PARSENOOPT parser error - missing required option
'<command_name>'
Explanation:
The CLI command requires another option.
Recommended Action:
Re-enter command with proper options.
SSR-8 Error Reference Manual
Chapter 4: CLI Error Messages
4 - 19