Bonjour,
Comme vous me l'avez suggéré, je suis allez commenter la ligne concernée dans thème/modules/blockmyaccount/blockmyaccountfooter.tpl.
<!-- Block myaccount module -->
<div class="block myaccount">
<h4 class="title_block"><a href="{$link->getPageLink('my-account', true)}" title="{l s='My account' mod='blockmyaccount'}">{l s='My account' mod='blockmyaccount'}</a></h4>
<div class="block_content">
<ul class="bullet">
<li><a href="{$link->getPageLink('history', true)}" title="">{l s='My orders' mod='blockmyaccount'}</a></li>
{if $returnAllowed}<li><a href="{$link->getPageLink('order-follow', true)}" title="{l s='My merchandise returns' mod='blockmyaccount'}">{l s='My merchandise returns' mod='blockmyaccount'}</a></li>{/if}
<!-- <li><a href="{$link->getPageLink('order-slip', true)}" title="{l s='My credit slips' mod='blockmyaccount'}">{l s='My credit slips' mod='blockmyaccount'}</a></li> -->
<li><a href="{$link->getPageLink('addresses', true)}" title="{l s='My addresses' mod='blockmyaccount'}">{l s='My addresses' mod='blockmyaccount'}</a></li>
<li><a href="{$link->getPageLink('identity', true)}" title="{l s='My personal info' mod='blockmyaccount'}">{l s='My personal info' mod='blockmyaccount'}</a></li>
{if $voucherAllowed}<li><a href="{$link->getPageLink('discount', true)}" title="{l s='My vouchers' mod='blockmyaccount'}">{l s='My vouchers' mod='blockmyaccount'}</a></li>{/if}
{$HOOK_BLOCK_MY_ACCOUNT}
</ul>
<p class="logout"><a href="{$link->getPageLink('index', true, NULL, "mylogout")}" title="{l s='Sign out' mod='blockmyaccount'}">{l s='Sign out' mod='blockmyaccount'}</a></p>
</div>
</div>
<!-- /Block myaccount module -->
Problème résolut. Merci beaucoup de votre aide !
Bonne journée.