Could you post an url and a test account login please.
Please rewrite TYL button templates again.
Content thankyoulike_button_add template:
<div id="tyl_btn_{$post['pid']}" class="postbit_buttons post_management_buttons float_right"><a class="add_tyl_button" href="thankyoulike.php?action=add&pid={$post['pid']}&my_post_key={$mybb->post_code}" onclick="return thankyoulike.add({$post['pid']}, {$post['tid']});" title="{$lang->add_tyl}" id="tyl_a{$post['pid']}"><span id="tyl_i{$post['pid']}"><i class="fa fa-thumbs-o-up"></i> {$lang->add_tyl}</span></a></div>
Content thankyoulike_button_del template:
<div id="tyl_btn_{$post['pid']}" class="postbit_buttons post_management_buttons float_right"><a class="del_tyl_button" href="thankyoulike.php?action=del&pid={$post['pid']}&my_post_key={$mybb->post_code}" onclick="return thankyoulike.del({$post['pid']}, {$post['tid']});" title="{$lang->del_tyl}" id="tyl_a{$post['pid']}"><span id="tyl_i{$post['pid']}"><i class="fa fa-thumbs-o-up fa-flip-vertical"></i> {$lang->del_tyl}</span></a></div>
~~~~~~~~~~~~~~~~~~~~
Then open theme postbit_classic template and search for:
<div class="post_controls">
<div class="postbit_buttons author_buttons float_left">
{$post['button_email']}{$post['button_pm']}{$post['button_www']}{$post['button_find']}{$post['button_rep']}{$post['iplogged']}
</div>
<div class="postbit_buttons post_management_buttons float_right">
{$post['button_tyl']}{$post['button_edit']}{$post['button_quickdelete']}{$post['button_quickrestore']}{$post['button_quote']}{$post['button_multiquote']}{$post['button_report']}{$post['button_warn']}{$post['button_purgespammer']}{$post['button_reply_pm']}{$post['button_replyall_pm']}{$post['button_forward_pm']}{$post['button_delete_pm']}
</div>
</div>
Replace that whole part with:
<div class="post_controls">
<div class="postbit_buttons author_buttons float_left">
{$post['button_email']}{$post['button_pm']}{$post['button_www']}{$post['button_find']}{$post['button_rep']}{$post['iplogged']}
</div>
<div class="postbit_buttons post_management_buttons float_right">
{$post['button_edit']}{$post['button_quickdelete']}{$post['button_quickrestore']}{$post['button_quote']}{$post['button_multiquote']}{$post['button_report']}{$post['button_warn']}{$post['button_purgespammer']}{$post['button_reply_pm']}{$post['button_replyall_pm']}{$post['button_forward_pm']}{$post['button_delete_pm']}
</div>
{$post['button_tyl']}
</div>