ERROR: Content Element with uid "34920" and type "image" has no rendering definition!

ERROR: Content Element with uid "34797" and type "shortcut" has no rendering definition!

ERROR: Content Element with uid "34801" and type "gridelements_pi1" has no rendering definition!

ERROR: Content Element with uid "34796" and type "text" has no rendering definition!

ERROR: Content Element with uid "34799" and type "gridelements_pi1" has no rendering definition!

ERROR: Content Element with uid "34800" and type "list" has no rendering definition!