Common Problems In Studio

Find solutions to common problems reported through Studio's [system state](https://help.polysync.io/releases/2.0.8//articles/system-state/) module. ### 1. Missing manager error ![Missing manager error](https://help.polysync.io/releases/2.0.8//wp-content/uploads/2016/11/studio-error-missing-manager.png) This is fixed by starting the manager, which can be done from the command line: ```bash $ polysync-manager 2033-01-05 10:28:46 DEBUG [20749:src/polysync_core.c:884] manager_daemon : created daemon process ``` Studio will automatically detect when the manager starts, and system state will update to look similar to this: ![Missing manager error recovery](https://help.polysync.io/releases/2.0.8//wp-content/uploads/2016/11/studio-error-missing-manager-recovery.png) In standby, hardware and replay contexts, it's required that the PolySync manager is running on each host defined in the SDF . ### 2. Missing nodes error ![Missing nodes error](https://help.polysync.io/releases/2.0.8//wp-content/uploads/2016/11/studio-error-missing-nodes.png) #### Hardware 1. Toggle nodes into standby mode 2. Toggle nodes back into hardware mode The nodes will reinitialize their connection with the hardware devices and sensors. If one or more nodes are still in an error state, close Studio and use the manager to stop all other nodes and clean the environment. ```bash $ polysync-manager -f ``` Now the system is in a clean state. Restart the manager and start Studio to [replay a logfile session](https://help.polysync.io/releases/2.0.8//?p=2164): ```bash $ polysync-manager $ polysync-studio ``` #### Replay 1. Toggle nodes into standby mode 2. Reselect the logfile session from the playlist 3. Playback will begin and nodes show up in system state with the blue replay status ![Missing nodes error recovery](https://help.polysync.io/releases/2.0.8//wp-content/uploads/2016/11/studio-error-missing-nodes-recovery.png) If one or modes remain in an error state, close Studio and use the manager to stop all other nodes and clean the environment. ```bash $ polysync-manager -f ``` Now the system is in a clean state. Restart the manager and start Studio to [replay a logfile sesion](https://help.polysync.io/releases/2.0.8//?p=2164): ```bash $ polysync-manager $ polysync-studio ```