ERROR: Content Element with uid "34906" and type "image" has no rendering definition!

ERROR: Content Element with uid "34881" and type "shortcut" has no rendering definition!

ERROR: Content Element with uid "34885" and type "gridelements_pi1" has no rendering definition!

ERROR: Content Element with uid "34880" and type "text" has no rendering definition!

ERROR: Content Element with uid "34883" and type "gridelements_pi1" has no rendering definition!

ERROR: Content Element with uid "34884" and type "list" has no rendering definition!