Error message

• Warning: First parameter must either be an object or the name of an existing class in ihme_protected_downloads_views_pre_render() (line 109 of /mnt/share/ghdx_external_prod/htdocs/sites/all/modules/custom/ihme_protected_downloads/ihme_protected_downloads.module).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->load() (line 175 of /mnt/share/ghdx_external_prod/htdocs/includes/entity.inc).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->cacheGet() (line 391 of /mnt/share/ghdx_external_prod/htdocs/includes/entity.inc).