| Message is a warning. | OLI_MSGSEVERITY_WARNING | 3 |
| Message Overridden. It was at one time Overridable but has been overridden | OLI_MSGSEVERITY_OVERRIDDEN | 5 |
| Other | OLI_OTHER | 2147483647 |
| The message is overridable by a clerk | OLI_MSGSEVERITY_OVERIDABLE | 4 |
| This message is informational only | OLI_MSGSEVERITY_INFO | 1 |
| This message is severe and cannot be overridden | OLI_MSGSEVERITY_SEVERE | 2 |
| Unknown | OLI_UNKNOWN | 0 |