| ERROR | C++ virtual table addresses become invalid due to session migration in shared server mode. |
| CAUSE | Exec-shield is the primary reason that caused this error in shared server mode. When exec-shield is turned on, there is no way to ensure that the C++ virtual table addresses are identical in all shared-server processes. |
| ACTION | Set option _XSOLAPI_FIX_VPTRS to TRUE, restart the instance, and try again. |