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    Delphi Error – E2158 %s unit out of date or corrupted – missing ‘%s’

    admin November 29, 2024 No Comments

    Delphi Compiler Error

    E2158 %s unit out of date or corrupted – missing ‘%s’

    Reason for the Error & Solution

    The compiler is looking for a special function which resides in System.dcu but could not find it. Your System unit is either corrupted or obsolete.

    Make sure there are no conflicts in your library search path which can point to another System.dcu. Try reinstalling System.dcu. If neither of these solutions work, contact Embarcadero Developer Support.

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