RFC_ATTACH_GUI_FAILED is an ABAP runtime error which you may come across when using or developing within an SAP system. See below for the standard details explaining what it means and how you can avoid or fix this runtime error.
Short Dump Classification: F - Installation Errors
You can view further information about a runtme error by using transaction code ST22 which will show you this and all runtime erros that have happen in your SAP system.
Also check out the Comments section below to view or add related contributions and example screen shots.
Check the installation of the SAPGUI on your PC.
Please see rfc gui error for more details about the possible cause of this runtime error and how it could be avoided.
'sapgui' start failed.
Please see installation error for more details about the possible cause of this runtime error and how it could be avoided.
An external program calls function modules with screen output. To allow
this, the JCO or the RFC Library was instructed to open a SAPGUI and to
connect the RFC logon with the SAPGUI logon. This could not be executed
however due to an error.
Session key.............. <runtime parameter>
Task handler error code... <runtime parameter>
Please see installation error for more details about the possible cause of this runtime error and how it could be avoided.
Please see abap error for more details about the possible cause of this runtime error and how it could be avoided.