Error installing on modx 2.3.6

[degoya]

when i install on modx 2.3.6 i get the following error:

xPDOVehicle validator failed: type php (/web/core/packages/formz-1.1.1-pl/xPDOTransportVehicle/426db02a2cb55b21728059772f45e8ad.validate.formit.validator)
xPDOVehicle validator failed: type php (/web/core/packages/formz-1.1.1-pl/xPDOTransportVehicle/96351d0ec1acfdeabf57bf3d9c393bea.validate.formitfastpack.validator)

validation fails but email will be sent

[degoya]

http://forums.modx.com/thread/98941/formz-formitfastpack-formit-error-placeholders-not-set#dis-post-534974