# NSD_FILTER_INVALID_CALLBACK

## Canonical Reference

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

**Canonical URL:**  
https://apps.juniper.net/syslog-explorer/?msg=NSD_FILTER_INVALID_CALLBACK

## SYSLOG Details
- **Message**: junos-ids: Invalid accept callback for filter <variable>filter-name</variable> in state <variable>state</variable>
- **Help**: NSD received an invalid callback
- **Description**: The adaptive services process (nsd) received an invalid accept callback.
- **Type**: Error: An error occurred
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: filter-name
state
- **Facility**: LOG_DAEMON

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