[Tiki-devel] Problem with templates tiki-forums.tpl and tiki-view_forum.tpl

On opening my forums page, there is crash with the following information 
in an invisible block:

Fatal error:
Uncaught TypeError: Unsupported operand types: string - string in
D:\xampp\htdocs\tiki-25.0\temp\templates_c\en_classic^cd0c7e830956ca50ce2bc1e82ffa7f0965df5457_0.file.tiki-forums.tpl.php:111 


Stack trace:
#0 
D:\xampp\htdocs\tiki-25.0\vendor_bundled\vendor\smarty\smarty\libs\sysplugins\smarty_template_resource_base.php(123): 
content_63c2e7c004d759_94187908(Object(Smarty_Internal_Template))
#1 
D:\xampp\htdocs\tiki-25.0\vendor_bundled\vendor\smarty\smarty\libs\sysplugins\smarty_template_compiled.php(114): 
Smarty_Template_Resource_Base->getRenderedTemplateCode(Object(Smarty_Internal_Template)) 

#2 
D:\xampp\htdocs\tiki-25.0\vendor_bundled\vendor\smarty\smarty\libs\sysplugins\smarty_internal_template.php(216): 
Smarty_Template_Compiled->render(Object(Smarty_Internal_Template))
#3 
D:\xampp\htdocs\tiki-25.0\vendor_bundled\vendor\smarty\smarty\libs\sysplugins\smarty_internal_templatebase.php(238): 
Smarty_Internal_Template->render(false, 0)
#4 
D:\xampp\htdocs\tiki-25.0\vendor_bundled\vendor\smarty\smarty\libs\sysplugins\smarty_internal_templatebase.php(116): 
Smarty_Internal_TemplateBase->_execute(Object(Smarty_Internal_Template), 
NULL, NULL, NULL, 0)
#5 D:\xampp\htdocs\tiki-25.0\lib\init\smarty.php(290): 
Smarty_Internal_TemplateBase->fetch('D:\\xampp\\htdocs...', NULL, NULL, 
NULL)
#6 D:\xampp\htdocs\tiki-25.0\lib\init\smarty.php(515): 
Smarty_Tiki->fetch('D:\\xampp\\htdocs...', NULL, NULL, NULL)
#7 D:\xampp\htdocs\tiki-25.0\lib\init\smarty.php(459): 
Smarty_Tiki->assign_layout_sections('tiki.tpl', NULL, NULL, NULL)
#8 D:\xampp\htdocs\tiki-25.0\tiki-forums.php(90): 
Smarty_Tiki->display('tiki.tpl')
#9 {main}
thrown in
D:\xampp\htdocs\tiki-25.0\temp\templates_c\en_classic^cd0c7e830956ca50ce2bc1e82ffa7f0965df5457_0.file.tiki-forums.tpl.php 
on line 111


Line 111 in tiki-forums.tpl.php contains

$_smarty_tpl->inheritance->instanceBlock($_smarty_tpl, 
'Block_146473736063c2ea7009da95_72008211', 'forum'-'header');


Guessing that the problem is related to 'forum'-'header', I have edited 
the template file tiki-forums.tpl at two places:

At Line 72, I have changed
         {block name=forum-header}
to
         {block name=forumheader}

At Line 115, I have changed
                 {block name=forum-row}
to
                 {block name=forumrow}

That fixes the problem in tiki-forums.tpl.
There is a similar problem in tiki-view_forum.tpl.

I don't really know anything about the Smarty template engine, so I 
can't judge whether my change is at all sensible.

Phil

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