Looking further at the logs. They are being generated in a couple of places but with my limited knowledge difficult to see what is the real cause. Could some one just give me a few pointers as to what they mean.

[06-Aug-2015 09:29:31 Europe/Paris] PHP Warning: strpos() expects parameter 1 to be string, array given in .\includes\modules\pages\index\main_template_vars.php on line 75

[06-Aug-2015 09:29:31 Europe/Paris] PHP Stack trace:

[06-Aug-2015 09:29:31 Europe/Paris] PHP 1. {main}() .\index.php:0

[06-Aug-2015 09:29:31 Europe/Paris] PHP 2. require() .\index.php:97

[06-Aug-2015 09:29:31 Europe/Paris] PHP 3. require() .includes\templates\tableau\common\tpl_main_page.php:201

[06-Aug-2015 09:29:31 Europe/Paris] PHP 4. strpos() .\includes\modules\pages\index\main_template_vars.php:75

[06-Aug-2015 09:29:31 Europe/Paris] PHP Warning: strrpos() expects parameter 1 to be string, array given in E:\Server\funkymoose2016\includes\functions\functions_categories.php on line 484

[06-Aug-2015 09:29:31 Europe/Paris] PHP Stack trace:

[06-Aug-2015 09:29:31 Europe/Paris] PHP 1. {main}() .\index.php:0

[06-Aug-2015 09:29:31 Europe/Paris] PHP 2. require() .\index.php:97

[06-Aug-2015 09:29:31 Europe/Paris] PHP 3. require() .\includes\templates\tableau\common\tpl_main_page.php:201

[06-Aug-2015 09:29:31 Europe/Paris] PHP 4. require() .\includes\modules\pages\index\main_template_vars.php:219

[06-Aug-2015 09:29:31 Europe/Paris] PHP 5. include() .\includes\templates\tableau\templates\tpl_index_categories.php:75

[06-Aug-2015 09:29:31 Europe/Paris] PHP 6. zen_get_categories_products_list() .\includes\modules\upcoming_products.php:35

[06-Aug-2015 09:29:31 Europe/Paris] PHP 7. strrpos() .\includes\functions\functions_categories.php:484

[06-Aug-2015 09:29:31 Europe/Paris] PHP Warning: substr() expects parameter 1 to be string, array given in .\includes\functions\functions_categories.php on line 484

[06-Aug-2015 09:29:31 Europe/Paris] PHP Stack trace:

[06-Aug-2015 09:29:31 Europe/Paris] PHP 1. {main}() .\index.php:0

[06-Aug-2015 09:29:31 Europe/Paris] PHP 2. require() .\index.php:97

[06-Aug-2015 09:29:31 Europe/Paris] PHP 3. require() .\includes\templates\tableau\common\tpl_main_page.php:201

[06-Aug-2015 09:29:31 Europe/Paris] PHP 4. require() .\includes\modules\pages\index\main_template_vars.php:219

[06-Aug-2015 09:29:31 Europe/Paris] PHP 5. include() .\includes\templates\tableau\templates\tpl_index_categories.php:75

[06-Aug-2015 09:29:31 Europe/Paris] PHP 6. zen_get_categories_products_list() .\includes\modules\upcoming_products.php:35

[06-Aug-2015 09:29:31 Europe/Paris] PHP 7. substr() .\includes\functions\functions_categories.php:484

I am not sure if this is point to a number or errors or one error and the impact it is having? Look forward to some advise. version is ZC1.5.4 testing locally on the latest WAMP version having installed tableau template.