ERROR: Content Element with uid "3493" and type "okuma_kleinerheader" has no rendering definition!

ERROR: Content Element with uid "3494" and type "okuma_filter" has no rendering definition!

ERROR: Content Element with uid "6745" and type "gridelements_pi1" has no rendering definition!

ERROR: Content Element with uid "6748" and type "gridelements_pi1" has no rendering definition!