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Error message

• Deprecated function: Optional parameter $item declared before required parameter $complete_form is implicitly treated as a required parameter in include_once() (line 1439 of /prod_service02/web-prod/hpc-web/includes/bootstrap.inc).
• Warning: Trying to access array offset on value of type bool in simplenews_newsletter_defaults() (line 456 of /prod_service02/web-prod/hpc-web/sites/all/modules/simplenews/simplenews.module).
• Warning: Trying to access array offset on value of type null in simplenews_newsletter_defaults() (line 456 of /prod_service02/web-prod/hpc-web/sites/all/modules/simplenews/simplenews.module).