_(NETLINK_ERROR, -145, "netlink error") \
_(BIER_BSL_UNSUP, -146, "BIER bit-string-length unsupported") \
_(INSTANCE_IN_USE, -147, "Instance in use") \
-_(INVALID_SESSION_ID, -148, "session ID out of range")
+_(INVALID_SESSION_ID, -148, "session ID out of range") \
+_(ACL_IN_USE_BY_LOOKUP_CONTEXT, -149, "ACL in use by a lookup context") \
typedef enum
{