Little help need on Kitchen 6.5 please

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i am builting a rom in Kitchen 6.5 and installed "Manila clear flip clock" on it evey apps work fine but Audio everytime I go to the Audio Tab it says

"the file AudioManager_eng can not be opened, Either it is not signed with a
trusted certificate, or one of its components cannot be found. if the problem persists, try reinstalling or restoeing this file."

can someone please tell me where i can get this file

thanks