Komunikat o błędzie

• Warning: array_flip(): Can only flip STRING and INTEGER values! w DrupalDefaultEntityController->load() (linia 175 z /var/www/clients/client9/web49/web/includes/entity.inc).
• Warning: array_flip(): Can only flip STRING and INTEGER values! w DrupalDefaultEntityController->load() (linia 175 z /var/www/clients/client9/web49/web/includes/entity.inc).
• Warning: array_flip(): Can only flip STRING and INTEGER values! w DrupalDefaultEntityController->cacheGet() (linia 388 z /var/www/clients/client9/web49/web/includes/entity.inc).