Migration from 6i to 10g

[awan]

Hi,
I need help...to migrate forms6i to froms10g

I v already compilied 6i froms in frombuilder 10g..they compiled succesfully..bu t the pll files are not compiling ..following errrors appears..
FRM-90507 and PED-ICD003

2nd thing: I also want to know the configuration of formsweb file

Please guide me step by step coz I 'm intial in this field..

thanx
awan