# Error Codes

### Groups

|   **No.** | **Group**                                  | **Abbr.**   | **Description**                                                                                                |
|-----------|--------------------------------------------|-------------|----------------------------------------------------------------------------------------------------------------|
|         1 | Application Error                          | APP         | Error within application, running the Simulator<br/><br/>E.g. API function call with invalid parameters        |
|         2 | EtherCAT® network information file problem | ENI         | Network configuration XML file error<br/><br/>E.g. malformed or empty EtherCAT® Network configuration file     |
|         3 | Simulator parameter configuration          | CFG         | Simulator configuration parameters erroneous<br/><br/>E.g. mailbox command queue not large enough              |
|         4 | Bus/SubDevice Error                        | SLV         | SubDevice error<br/><br/>E.g. Working Counter Error                                                            |
|         5 | Real-time Ethernet Driver                  | LLA         | Real-time Ethernet Driver error (network interface driver)<br/><br/>E.g. Intel Pro/1000 NIC could not be found |
|         6 | Remote API                                 | RAS         | Remote API error<br/><br/>E.g. connection to Remote API server is not possible from client                     |
|         7 | Internal software error                    | ISW         | Simulator internal error                                                                                       |