<b>Returns:</b></dt><dd> the last error message, or QString() if there was no error
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<td class="memname"><a href="../kdecore/KLibrary.html">KLibrary</a> library</td>
<td>(</td>
<td class="paramtype">&nbsp;<em>self</em>, </td>
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<td class="paramtype">QString&nbsp;</td>
<td class="paramname"><em>libname<