Error contextErrorException in current_currency

[R.Shredder]

Hello community,

I'm facing an issue i'm having trouble to fix (on PS 1.7.3, php 7.1)

Whoops, looks like something went wrong.

1/1 ContextErrorException in 1c00f78dace25d509ec3a1f54176b7ae2000accf.module.ps_languageselector.tpl.php line 74: Notice: Undefined index: current_currency

    in 1c00f78dace25d509ec3a1f54176b7ae2000accf.module.ps_languageselector.tpl.php line 74
    at ErrorHandler->handleError('8', 'Undefined index: current_currency', '/home/xxxxxxx/www/var/cache/dev/smarty/compile/1c/00/f7/1c00f78dace25d509ec3a1f54176b7ae2000accf.module.ps_languageselector.tpl.php', '74', array('_smarty_tpl' => object(SmartyDevTemplate), '_from' => array(array('id_lang' => '1', 'name' => 'Français (French)', 'active' => '1', 'iso_code' => 'fr', 'language_code' => 'fr', 'locale' => 'fr-FR', 'date_format_lite' => 'd/m/Y', 'date_format_full' => 'd/m/Y H:i:s', 'is_rtl' => '0', 'id_shop' => '1', 'shops' => array(true), 'name_simple' => 'Français'), array('id_lang' => '2', 'name' => 'English (English)', 'active' => '1', 'iso_code' => 'en', 'language_code' => 'en-us', 'locale' => 'en-US', 'date_format_lite' => 'm/d/Y', 'date_format_full' => 'm/d/Y H:i:s', 'is_rtl' => '0', 'id_shop' => '1', 'shops' => array(true), 'name_simple' => 'English')))) in ErrorHandler.php line 34
    at Raven_Breadcrumbs_ErrorHandler->handleError('8', 'Undefined index: current_currency', '/home/xxxxxxx/www/var/cache/dev/smarty/compile/1c/00/f7/1c00f78dace25d509ec3a1f54176b7ae2000accf.module.ps_languageselector.tpl.php', '74', array('_smarty_tpl' => object(SmartyDevTemplate), '_from' => array(array('id_lang' => '1', 'name' => 'Français (French)', 'active' => '1', 'iso_code' => 'fr', 'language_code' => 'fr', 'locale' => 'fr-FR', 'date_format_lite' => 'd/m/Y', 'date_format_full' => 'd/m/Y H:i:s', 'is_rtl' => '0', 'id_shop' => '1', 'shops' => array(true), 'name_simple' => 'Français'), array('id_lang' => '2', 'name' => 'English (English)', 'active' => '1', 'iso_code' => 'en', 'language_code' => 'en-us', 'locale' => 'en-US', 'date_format_lite' => 'm/d/Y', 'date_format_full' => 'm/d/Y H:i:s', 'is_rtl' => '0', 'id_shop' => '1', 'shops' => array(true), 'name_simple' => 'English')))) in ErrorHandler.php line 127
    at Raven_ErrorHandler->handleError('8', 'Undefined index: current_currency', '/home/xxxxxxx/www/var/cache/dev/smarty/compile/1c/00/f7/1c00f78dace25d509ec3a1f54176b7ae2000accf.module.ps_languageselector.tpl.php', '74', array('_smarty_tpl' => object(SmartyDevTemplate), '_from' => array(array('id_lang' => '1', 'name' => 'Français (French)', 'active' => '1', 'iso_code' => 'fr', 'language_code' => 'fr', 'locale' => 'fr-FR', 'date_format_lite' => 'd/m/Y', 'date_format_full' => 'd/m/Y H:i:s', 'is_rtl' => '0', 'id_shop' => '1', 'shops' => array(true), 'name_simple' => 'Français'), array('id_lang' => '2', 'name' => 'English (English)', 'active' => '1', 'iso_code' => 'en', 'language_code' => 'en-us', 'locale' => 'en-US', 'date_format_lite' => 'm/d/Y', 'date_format_full' => 'm/d/Y H:i:s', 'is_rtl' => '0', 'id_shop' => '1', 'shops' => array(true), 'name_simple' => 'English')))) in 1c00f78dace25d509ec3a1f54176b7ae2000accf.module.ps_languageselector.tpl.php line 74
    at content_62fe0caa55d940_59087522(object(SmartyDevTemplate)) in smarty_internal_templatebase.php line 188
    at Smarty_Internal_TemplateBase->fetch(object(SmartyDevTemplate), null, null, null, false, true, false) in SmartyDevTemplate.php line 41
    at SmartyDevTemplateCore->fetch() in Module.php line 2282
    at ModuleCore->fetch('module:ps_languageselector/ps_languageselector.tpl') in ps_languageselector.php line 79
    at Ps_Languageselector->renderWidget('displayNav1', array('smarty' => object(SmartyDevTemplate), 'cookie' => object(Cookie), 'cart' => object(Cart))) in Hook.php line 929
    at HookCore::coreRenderWidget(object(Ps_Languageselector), 'displayNav1', array('smarty' => object(SmartyDevTemplate), 'cookie' => object(Cookie), 'cart' => object(Cart))) in Hook.php line 881
    at HookCore::exec('displayNav1', array('smarty' => object(SmartyDevTemplate), 'cookie' => object(Cookie), 'cart' => object(Cart)), null) in smarty.config.inc.php line 165
    at smartyHook(array('h' => 'displayNav1'), object(SmartyDevTemplate)) in SmartyLazyRegister.php line 83
    at SmartyLazyRegister->__call('smartyHook', array(array('h' => 'displayNav1'), object(SmartyDevTemplate))) in 6f91b0e5971bebf2c769c1eb07a186d9dcdcc379.file.index.tpl.php line 472
    at content_62fe153a837d42_78782402(object(SmartyDevTemplate)) in 6f91b0e5971bebf2c769c1eb07a186d9dcdcc379.file.index.tpl.php line 130
    at content_62fe153a87f265_26170591(object(SmartyDevTemplate)) in smarty_internal_templatebase.php line 188
    at Smarty_Internal_TemplateBase->fetch('index.tpl', null, 'layouts/layout-full-width.tpl', object(SmartyDev), false, true, false) in SmartyDev.php line 41
    at SmartyDev->fetch('index.tpl', null, 'layouts/layout-full-width.tpl') in FrontController.php line 669
    at FrontControllerCore->smartyOutputContent('index.tpl') in FrontController.php line 653
    at FrontControllerCore->display() in Controller.php line 225
    at ControllerCore->run() in Dispatcher.php line 428
    at DispatcherCore->dispatch() in index.php line 28

If any kind sould have a clue what the problem is, any help would be highly appreciated!

Thanks a lot !