27dba50b_stall_troubleshoot___e107_Wiki__Likely_fix
[Symptom] File 'e107_config.php' missing [Possible cause] Downloaded upgrade pack rather than 'fresh install' pack [Likely fix] 
simply create a blank file in a text editor and save it in the root of your e107 installation with the name e107_config.php .
Install troubleshoot - e107 Wiki
Likely fix