in Alpha 5 does not want to render a scene with a higher resolution

[Artdjuno]

in Alpha 5 does not want to render a scene with a higher resolution.Alpha 4 in this scene is rendered and higher resolution (7000h5000)The render settings are not changed only the resolution.After installing the Alpha 5 did reset pregoing render settings.What caused the error? Help please.

[Artdjuno]

but now renders