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

## SYSLOG Details
- **Message**: Unable to select input stream for command '<variable>command</variable>': <variable>error-message</variable>
- **Help**: JUNOS could not select on an input stream
- **Description**: Junos uses child processes to execute certain commands. Junos was not able to detect input on a stream connected to a child process.
- **Type**: Internal: Internal log message
- **Severity**: error
- **Cause**: An internal software failure occurred.
- **Action**: Contact your technical support representative.
- **Attributes**: command
error-message
- **Facility**: ANY

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