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

## SYSLOG Details
- **Message**: <variable>operation</variable> operation attempted on non-existent filter (<variable>filter-name</variable>) for client (<variable>client-name</variable>)
- **Help**: Change/delete operation was attempted on non-existent filter
- **Description**: dfwd encountered that change/delete operation was attempted on non-existent filter while updating the uncompiled filter database.
- **Type**: Internal: Internal log message
- **Severity**: error
- **Cause**: -
- **Action**: Contact your technical support representative.
- **Attributes**: operation
filter-name
client-name
- **Facility**: LOG_DAEMON

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