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[Forum, topic 24852] Error on update to 2.7.2

Fixed..

Restart was needed.

Thanks a lot,
--Iddo.

Hi, I also get this error after a clean install of piwigo 2.7.2. I am a piwigio newbie trying to set this up for the first time, so maybe i have done som simple mistake.

This is the error message:
Fatal error: Uncaught exception 'SmartyCompilerException' with message 'Syntax Error in template "./admin/themes/default/template/photos_add_direct.tpl" on line 253 "<select data-selectize="categories" data-value="{$selected_category|@json_encode|escape:html}"" unknown modifier "json_encode"' in /var/www/html/piwigo/include/smarty/libs/sysplugins/smarty_internal_templatecompilerbase.php:665 Stack trace: #0 /var/www/html/piwigo/include/smarty/libs/sysplugins/smarty_internal_compile_private_modifier.php(132): Smarty_Internal_TemplateCompilerBase->trigger_template_error('unknown modifie...', 253) #1 /var/www/html/piwigo/include/smarty/libs/sysplugins/smarty_internal_templatecompilerbase.php(473): Smarty_Internal_Compile_Private_Modifier->compile(Array, Object(Smarty_Internal_SmartyTemplateCompiler), Array, NULL, NULL) #2 /var/www/html/piwigo/include/smarty/libs/sysplugins/smarty_internal_templatecompilerbase.php(257): Smarty_Internal_TemplateCompilerBase->callTagCompiler('private_modifie...', Array, A in /var/www/html/piwigo/include/smarty/libs/sysplugins/smarty_internal_templatecompilerbase.php on line 665

I get it for example when hitting this url:
http://192.168.0.103/piwigo/admin.php?page=photos_add

I have tried the solution suggested in:
http://piwigo.org/forum/viewtopic.php?id=24852

but i noticed no difference. I restarted (the whole server) actually to make sure.

I am running Linux Mint with
5.5.37-0ubuntu0.13.10.1 (Ubuntu)
PHP 5.5.3-1ubuntu2.6 (cli)

Any help appreciated.

Dag's solution worked also for me.

Thanks.
A.