# LIBCOS_COS_INTERFACE_INFO_MSG_OP_TYPE_INVALID

## Canonical Reference

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

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

## SYSLOG Details
- **Message**: CoS Interface info message operation type is not add or delete
- **Help**: Libcos encountered an error in parsing CoS Interface info message
- **Description**: The class-of-service(CoS) library(Libcos) could not process CoS Interface information message because the operation type is neither add or delete
- **Type**: Internal: Internal log message
- **Severity**: error
- **Cause**: An internal software failure occurred.
- **Action**: Contact your technical support representative.
- **Attributes**: -
- **Facility**: ANY

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