SIENTIAPDE-1151

refactor: enhance error handling in build_tag_config and slot processing to include notifications for missing servers

orchestrator/utils/orchestrator_functions.py

@@ -146,6 +146,10 @@ def gather_read_tags(pipelines: list[dict[str, Any]]) -> dict[str, Any]:
 def build_tag_config(tag: dict[str, Any], slot_config: dict[str, Any],
                      opc_servers: dict[str, Any], i: int):
     server_id = tag['server_id']
+
+    if server_id not in opc_servers:
+        raise ValueError(f"Server {server_id} not found in opc_servers")
+
     server_name = opc_servers[server_id]['server_name']
     if server_name not in slot_config[f"{i}"]:
         slot_config[f"{i}"][server_name] = {