error code placeholder

src/share/ob_errno.def

@@ -626,6 +626,8 @@ DEFINE_ERROR_EXT(OB_DELETE_SERVER_NOT_ALLOWED, -4745, -1, "HY000", "delete serve
 DEFINE_ERROR(OB_PACKET_STATUS_UNKNOWN, -4746, -1, "HY000", "Network error and packet status unknown. Abort auto retry.");
 //4747: OB_ARBITRATION_SERVICE_NOT_EXIST
 //4748: OB_ARBITRATION_SERVICE_ALREADY_EXIST
+//-4749: OB_UNEXPECTED_TABLET_STATUS
+//-4750: OB_INVALID_TABLE_STORE
 
 ////////////////////////////////////////////////////////////////
 // SQL & Schema specific error code, -5000 ~ -6000
@@ -1679,6 +1681,7 @@ DEFINE_ERROR(OB_RG_NOT_MATCH, -7105, -1, "HY000", "replication group not match")
 DEFINE_ERROR(OB_TRANSFER_TASK_ABORTED, -7106, -1, "HY000", "transfer task aborted");
 DEFINE_ERROR(OB_TRANSFER_INVALID_MESSAGE, -7107, -1, "HY000", "transfer invalid message");
 DEFINE_ERROR(OB_TRANSFER_CTX_TS_NOT_MATCH, -7108, -1, "HY000", "transfer ctx_ts not match");
+//-7109: OB_TRANSFER_SYS_ERROR
 
 ////////////////////////////////////////////////////////////////
 // !!! Fatal errors and the client should close the connection, -8000 ~ -8999