PB6.5 to PB12.6 migration issue

Hi All,

I had migrated the code from PB6.5 tp PB12.6.

after migration i am facing an issue when ever do any operation on a window ( like select,fetch etc) i get Error calling external function %s .I am using Sqlanywhere 9.0 db.

ALL required PB12.6 dll are being used, while the application is launched.

what could be the issue.

Thank in advance for the replies