php - Magento custom module with two tables in the backend menu -


i spent 3 days trying solve problem custom module. have custom menu 3 submenus

the first item (regions), gets correct table config.xml file but, when i'm trying add table second item (subregions), can't see anything, see blank page. there config.xml

    <models>         <web>             <class>company_web_model</class>             <resourcemodel>web_mysql4</resourcemodel>         </web>         <web_mysql4>             <class>company_web_model_mysql4</class>             <entities>                 <web>                     <table>regions</table>                 </web>                 <subregions>                     <table>subregions</table>                 </subregions>             </entities>         </web_mysql4>   </models>

i've tried lot of different possibilities.


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