[unex_ce_button id="content_nfo79qmo8" button_text_color="#000000" button_font="bold" button_font_size="15px" button_width="auto" button_alignment="center" button_text_spacing="2px" button_bg_color="#00d1ae" button_padding="15px 60px 15px 60px" button_border_width="0px" button_border_color="#000000" button_border_radius="0px" button_text_hover_color="#ffffff" button_text_spacing_hover="2px" button_bg_hover_color="#000000" button_border_hover_color="#000000" button_link="https://instagram.com/lobeck.photo" button_link_type="url" button_link_target="_blank" has_container="1" in_column=""]@lobeck.photo on Instagram[/ce_button]

It looks like you either have no or a wrong access token.
Please go to Semplice -> General Settings and setup your access token.
Error Message from Instagram:

[unex_ce_instagram id="content_2gyh8trq3" count="33" span="span4" is_fluid="yes" remove_gutter="yes" target="dribbble" random="span3.span6"][/ce_instagram]
[unex_ce_button id="content_oa9rlns8x" button_text_color="#000000" button_font="bold" button_font_size="15px" button_width="auto" button_alignment="center" button_text_spacing="2px" button_bg_color="#00d1ae" button_padding="15px 60px 15px 60px" button_border_width="0px" button_border_color="#000000" button_border_radius="0px" button_text_hover_color="#ffffff" button_text_spacing_hover="2px" button_bg_hover_color="#000000" button_border_hover_color="#000000" button_link="https://instagram.com/lobeck.photo" button_link_type="url" button_link_target="_blank" has_container="1" in_column=""]@lobeck.photo on Instagram[/ce_button]