I changed no more memory error, but:
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<html xmlns="
http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Internal Server Error</title>
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body {font-family:"Verdana";font-weight:normal;color:black;background-color:white;}
h1 { font-family:"Verdana";font-weight:normal;font-size:18pt;color:red }
h2 { font-family:"Verdana";font-weight:normal;font-size:14pt;color:maroon }
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.version {color: gray;font-size:8pt;border-top:1px solid #aaaaaa;}
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</style>
</head>
<body>
<h1>Internal Server Error</h1>
<h2>Invalid callback target, no such control with ID ctl0$Main$ActivityProtokollListe$ctl0$ctl1.</h2>
<p>
An internal error occurred while the Web server was handling your request.
Please contact the <a href="mailto:webmaster@planlogiq.com">webmaster</a> to report this problem.
</p>
<p>
Thank you.
</p>
<div class="version">
2010-07-22 00:57
</div>
</body>
</html><table cellspacing="0" cellpadding="2" border="0" width="100%" style="table-layout:auto">
<tr>
<th style="background-color: black; color:white;" colspan="5">
Application Log
</th>
</tr><tr style="background-color: #ccc; color:black">
<th style="width: 15px"> </th>
<th style="width: auto">Category</th><th style="width: auto">Message</th><th style="width: 120px">Time Spent (s)</th><th style="width: 150px">Cumulated Time Spent (s)</th>
</tr> <tr style="background-color: #fff; color:#000">
<td style="border:1px solid silver;background-color: #ff9933;"> </td>
<td>System.TApplication</td>
<td>Invalid callback target, no such control with ID ctl0$Main$ActivityProtokollListe$ctl0$ctl1.</td>
<td style="text-align:center">0.000000</td>
<td style="text-align:center">0.000000</td>
</tr><tr><td colspan="5" style="text-align:center; background-color:black; border-top: 1px solid #ccc; padding:0.2em;"><span style="color:white; border:1px solid white; background-color:green;margin: 0.5em; padding:0.01em;">DEBUG</span><span style="color:white; border:1px solid white; background-color:black;margin: 0.5em; padding:0.01em;">INFO</span><span style="color:white; border:1px solid white; background-color:#3333FF;margin: 0.5em; padding:0.01em;">NOTICE</span><span style="color:white; border:1px solid white; background-color:#33FFFF;margin: 0.5em; padding:0.01em;">WARNING</span><span style="color:white; border:1px solid white; background-color:#ff9933;margin: 0.5em; padding:0.01em;">ERROR</span><span style="color:white; border:1px solid white; background-color:#ff00ff;margin: 0.5em; padding:0.01em;">ALERT</span><span style="color:white; border:1px solid white; background-color:red;margin: 0.5em; padding:0.01em;">FATAL</span></td></tr></table>
Thx a lot for your support!