# IntelliDoc  - Error Message List

| Message Code                    | Description                                                                                          |
| ------------------------------- | ---------------------------------------------------------------------------------------------------- |
| **INVALID\_CONTENT\_TYPE**      | Expected `multipart/form-data` during API call.                                                      |
| **MISSING\_PARAM**              | Ensure all required parameters are included in the request.                                          |
| **INVALID\_FILE\_TYPE**         | Expected input file format: JPEG, PNG, or PDF.                                                       |
| **PROCESSING\_ERROR**           | An unexpected error occurred while analyzing the file.                                               |
| **INVALID\_API\_KEY**           | The `apiKey` value is invalid (empty or non-existent).                                               |
| **INVALID\_API\_KEY\_LENGTH**   | The `apiKey` length must be ≤ 32 characters.                                                         |
| **API\_KEY\_EXPIRED**           | The `apiKey` has expired.                                                                            |
| **MAX\_API\_CALL\_EXCEEDED**    | The number of API requests has exceeded the limit defined in the license module.                     |
| **ERROR\_INTERNAL\_PROCESSING** | An unexpected error occurred while processing the request.                                           |
| **UNKNOWN\_BASE64\_CONTENT**    | The provided `base64Content` is invalid. Expected a base64-encoded file in JPEG, PNG, or PDF format. |