[Solved] Error instaling Zeos 6.6.6 in Lazarus 1.0 RC lazarus / 16-Databases ---------------------------------------------------------------------- BlueIcaro · 2012-08-04 19:08 Hello I tried to install Zeos components in the new Lazarus 1.0 Rc, and I got this error: QuoteC:\lazarus\components\Zeos66\src\core\ZClasses.pas(84,22) Error: No matching implementation for interface method "IUnknown.QueryInterface(constref TGuid,out ):LongInt; StdCall;" found C:\lazarus\components\Zeos66\src\core\ZClasses.pas(183,14) Warning: An inherited method is hidden by "TZAbstractObject.Equals(const IUnknown):Boolean;" C:\lazarus\components\Zeos66\src\core\ZClasses.pas(186,14) Warning: An inherited method is hidden by "TZAbstractObject.ToString:AnsiString;" C:\lazarus\components\Zeos66\src\core\ZClasses.pas(190,1) Fatal: There were 1 errors compiling module, stopping Any idea? /BLueIcaro ---------------------------------------------------------------------- IansResearch · 2012-08-04 19:47 I had this error on Lazarus 0.9.30.4 fpc 2.5 check this link http://wiki.freepascal.org/Zeos_tutorial ---------------------------------------------------------------------- BlueIcaro · 2012-08-04 20:19 Quote from: IansResearch on August 04, 2012, 09:47:20 pmI had this error on Lazarus 0.9.30.4 fpc 2.5 check this link http://wiki.freepascal.org/Zeos_tutorial Thank you for the link. I  was reading the wiki, and making the changes but, I got other errors. So I downloaded the lastest revision from the zeos repository, and now I can compile the packcage. /BlueIcaro