Fix error logging for pzh session handler.
Fix error logging for pzh session handler.

Wrong log type string prevented error messages from being logged.

Jira-issue: WP-48

webinos/Webinos-Platform,hansmy/Webinos-Platform,webinos/Webinos-Platform,krishnabangalore/Webinos-Platform,webinos/Webinos-Platform,krishnabangalore/Webinos-Platform,webinos/Webinos-Platform,webinos/Webinos-Platform,krishnabangalore/Webinos-Platform,webinos/Webinos-Platform,krishnabangalore/Webinos-Platform,webinos/Webinos-Platform,hansmy/Webinos-Platform,webinos/Webinos-Platform,hansmy/Webinos-Platform,hansmy/Webinos-Platform,krishnabangalore/Webinos-Platform,hansmy/Webinos-Platform,krishnabangalore/Webinos-Platform,krishnabangalore/Webinos-Platform,hansmy/Webinos-Platform,krishnabangalore/Webinos-Platform,hansmy/Webinos-Platform,krishnabangalore/Webinos-Platform,webinos/Webinos-Platform,hansmy/Webinos-Platform,hansmy/Webinos-Platform