# [LOGIN_INVALID_ARGUMENT](https://apps.juniper.net/syslog-explorer/?msg=LOGIN_INVALID_ARGUMENT)

## SYSLOG Details
- **Message**: Invalid command line option: <variable>option</variable>
- **Help**: Invalid command line option
- **Description**: The login process was executed with an invalid command-line argument.
- **Type**: SNO: Should Not Occur
- **Severity**: error
- **Cause**: An internal software failure occurred.
- **Action**: -
- **Attributes**: option
- **Facility**: LOG_AUTH

## Found this message in the following releases:
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=LOGIN_INVALID_ARGUMENT&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=LOGIN_INVALID_ARGUMENT&sw=Junos%20OS&rel=23.4R1)