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

## SYSLOG Details
- **Message**: Source class usages is not supported on Internet Process I
- **Help**: Source-class-usage is not supported on Internet Processor I
- **Description**: Internet Processor I does not support source class usage. For support on later versions of Internet Processor please refer to the appropriate documentation.
- **Type**: Event: This message reports an event, not an error
- **Severity**: warning
- **Cause**: -
- **Action**: -
- **Attributes**: -
- **Facility**: LOG_PFE

## Found this message in the following releases:
- [Junos OS 26.2R1](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=26.2R1)
- [Junos OS 25.4R1](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=25.4R1)
- [Junos OS 25.2R2](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=25.2R2)
- [Junos OS 25.2R1](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=25.2R1)
- [Junos OS 24.4R2](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=24.4R2)
- [Junos OS 24.4R1](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=24.4R1)
- [Junos OS 24.2R2](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=24.2R2)
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R2](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=23.4R2)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=23.4R1)
- [Junos OS 23.2R2](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=23.2R2)
- [Junos OS 23.2R1](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=23.2R1)
- [Junos OS 22.4R3](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=22.4R3)
- [Junos OS 22.4R2](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=22.4R2)
- [Junos OS 22.4R1](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=22.4R1)
- [Junos OS 22.2R3](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=22.2R3)
- [Junos OS 22.2R2](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=22.2R2)
- [Junos OS 22.2R1](https://apps.juniper.net/syslog-explorer/?msg=PFE_SCU_UNSUPPORTED&sw=Junos%20OS&rel=22.2R1)