3707380 - "MESSAGE_TYPE_X" runtime error dumps occur when running parallel scripts in

Several ABAP runtime error "MESSAGE_TYPE_X" dumps occur when running multiple and parallel automation scripts from same client within the SAP system for load tests and performance simulation purposes. 

Below errors can be found in the SAP GUI session trace (main session components: automation, scripting, control manager) collected when triggering  the "MESSAGE_TYPE_X" dump:

(Error):    Exception fire by :SAP Frontend Server
(Error):    Exception info:Cannot find window
(Error):    Exception code:65535

(Error):    Exception fire by :SAP Frontend Server
(Error):    Exception info:Cannot create control
(Error):    Exception code:65535

Error(DD.MM.AA HH:MM:SS): CMyUIThread::InitInstance(): Main windows is NULL

Error(DD.MM.AA HH:MM:SS): Failed to start UI-Thread (Frontend start failed)

Error(DD.MM.AA HH:MM:SS): Sapgui failed to initialize gui (rc=4)

• SAP GUI for Windows
• ABAP Platform
• SAP NetWeaver

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