port the game from SysGlesVersion=1 to SysGlesVersion=2 for windows pc

i have already developed a game using marmalade 5.2 for blackberry playbook and ios
now i want to port that game for windows pc.

this time i am using marmalade 6.1.2.

i want to use SysGlesVersion=2 in my .icf file but when i use SysGlesVersion=2 it gives some error “IwAssert failure (S3E, 1688).
Message: GL function glMatrixMode is unsupported under GL configuration: Obey [S3E] SysGlesVersion .icf setting
Use Configuration->GL… to change GL configuration

can anybody please help me what can be done so that i can get rid of this problem.
it has really pissed me off.

any help will be appreciated.

thank you in advance.