iOS integration with Unity 3D 5.1.1

I'm trying to create an application with Unity and iOS. I have created iOS code from unity and I linked it with unity code.It build successfully and when it running on the iPad gives this error and app went to crash.(black screen). Need a solution from experts. Thank you.

This is the error log I got.

-> applicationDidBecomeActive() Requesting Resolution: 1152x1536 Renderer: PowerVR SGX 543 Vendor: Imagination Technologies Version: OpenGL ES 2.0 IMGSGX543-97 GLES: 2 GL_OES_depth_texture GL_OES_depth24 GL_OES_element_index_uint GL_OES_fbo_render_mipmap GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_texture_float GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_vertex_array_object GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_label GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_draw_instanced GL_EXT_instanced_arrays GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_pvrtc_sRGB GL_EXT_read_format_bgra GL_EXT_separate_shader_objects GL_EXT_shader_framebuffer_fetch GL_EXT_shader_texture_lod GL_EXT_shadow_samplers GL_EXT_sRGB GL_EXT_texture_filter_anisotropic GL_EXT_texture_rg GL_EXT_texture_storage GL_APPLE_copy_texture_levels GL_APPLE_framebuffer_multisample GL_APPLE_rgb_422 GL_APPLE_sync GL_APPLE_texture_format_BGRA8888 GL_APPLE_texture_max_level GL_IMG_read_format GL_IMG_texture_compression_pvrtc OPENGL LOG: Creating OpenGL ES 2.0 graphics device

via Chebli Mohamed