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

## SYSLOG Details
- **Message**: Specified authentication module type '<variable>module-type</variable>' was invalid
- **Help**: Unrecognized authentication module type for operation
- **Description**: Attempting to perform an operation on invalid authentication type.
- **Type**: SNO: Should Not Occur
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: module-type
- **Facility**: LOG_AUTH

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