# Reply To: Error when integrating RapidEars

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#1019396
Halle Winkler
Politepix

OK, I just saw that you are using OpenEars 1.5.2, can you use 1.6.4 for everything? This could be happening because you are mixing a 64-bit version of RapidEars with a 32-bit version of OpenEars and they don’t have the same architectures available (meaning they don’t have the same objects available for each architecture). Be sure to start with a new app.