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

## SYSLOG Details
- **Message**: Error occurred when <variable>fru-name</variable> <variable>fru-slot</variable> reported its online status: <variable>error-message</variable> (error code <variable>error-code</variable>)
- **Help**: FRU online acknowledgment failed
- **Description**: The chassis process requested that the indicated component (field-replaceable unit, or FRU) confirm that it was online. The indicated error occurred when the FRU sent its response. In the normal case, the chassis process performed any additional action necessary to guarantee that the FRU came online.
- **Type**: Error: An error occurred
- **Severity**: error
- **Cause**: -
- **Action**: Contact your technical support representative. For more information, see http://kb.juniper.net/InfoCenter/index?page=content&id=KB18780.
- **Attributes**: fru-name
fru-slot
error-message
error-code
- **Facility**: LOG_DAEMON

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