Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /home/.sites/111/site1519/web/wp-content/plugins/wysija-newsletters/helpers/render_engine.php:424
Stack trace:
#0 /home/.sites/111/site1519/web/wp-content/plugins/wysija-newsletters/helpers/render_engine.php(424): implode(Array, '')
#1 /home/.sites/111/site1519/web/wp-content/plugins/wysija-newsletters/helpers/render_engine.php(169): WYSIJA_help_render_engine->_parse('\n