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

## SYSLOG Details
- **Message**: <variable>function-name</variable>: IFD message structure is NULL
- **Help**: Ifd Message structure is NULL.
- **Description**: Ifd Message structure is NULL. This is printed when ifl is being monitored.
- **Type**: Internal: Internal log message
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: function-name
- **Facility**: LOG_DAEMON

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