Hello! I recently purchased the birchpress booking plug-in (https://www.birchpress.com/) and noticed an error message when trying to set-up providers. It reads:
Warning: call_user_func_array()expects parameter 1 to be a valid callback, function ‘themeblvd_content_format_link’ not found or invalid function name in /home/scarlisle12public_html/movetoflip.com/wp-includes/plugin.php on line 213
I am not sure what this means.
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