| ERROR | null host specified in thread-safe logon |
| CAUSE | An HDA was not specified in the logon call while running in a thread safe environment. |
| ACTION | Make sure that HDA is not NULL when calling the logon routine. |
| ERROR | null host specified in thread-safe logon |
| CAUSE | An HDA was not specified in the logon call while running in a thread safe environment. |
| ACTION | Make sure that HDA is not NULL when calling the logon routine. |