Unable to associate function key f12 with form level trigger(form6i)

i have one issue in form6i.
i made association f12 key with key-cquery trigger in oracle terminal by opening FMRUSW.RES.
i am getting error message " function not perform here " when i pressed f12 key.
what is the problem?
what to do?
please reply as early as possible.

count-query only works on datablocks which are assigned to a datasource. As long as the count-query does not work using the menu it will also not work using keys. The fact that you get the same errormessage using menue or key indicates that the key-mapping seems to be ok.

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Ctrl+PageUp          Previous Block
Ctrl+Q          Exit
Down          Down
F10          Commit
F2          List Tab Pages
F3          Duplicate Item
F4          Duplicate Record
F5          Block Menu
F6          Insert Record
F7          Enter Query
F8          Execute Query
F9          List of Values
PageDown          Scroll Down
PageUp          Scroll Up
Shift+Ctrl+PageD          Next Set of Records
Shift+Down          Next Record
Shift+F1          Display Error
Shift+F2          Count Query
Shift+F3          Next Primary Key
Shift+F4          Clear Record
Shift+F5          Clear Block
Shift+F6          Delete Record
Shift+F7          Clear Form
Shift+F8          Print
Shift+Tab          Previous Field
Shift+Up          Previous Record
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Unable to associate function key f12 with form level trigger(form6i)

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