B6880. Fixed Exceptions with too many details to end user. fixes #6880

extension/Documentation/Manual.rst

extension/qfq/qfq/AbstractBuildForm.php

extension/qfq/qfq/BodytextParser.php

extension/qfq/qfq/Delete.php

extension/qfq/qfq/Evaluate.php

extension/qfq/qfq/File.php

extension/qfq/qfq/Save.php

extension/qfq/qfq/database/Database.php

extension/qfq/qfq/form/FormAction.php

extension/qfq/qfq/helper/HelperFile.php

extension/qfq/qfq/helper/Ldap.php

extension/qfq/qfq/helper/Logger.php

extension/qfq/qfq/store/FillStoreForm.php