Invalid Argument 390 class

  • Dear sir,
    I still cannot resolve the problem of having the warning sign of ‘warning join ()[function join]: Invalid arguments passed in /home/lille/public_html/wp-includes/post-template.php one line 390 class=””>
    Please help me by elaborating precisely the methods I should do to resolve the matter.
    My site is at https://www.myglobalspacenet.info
    Thank you .
    Yours sincerely,
    Li Li

  • The topic ‘Invalid Argument 390 class’ is closed to new replies.