Yo,
* Line 39, column 51:
<input type="hidden" name="text" value="blabla">
^
Error: element "INPUT" not allowed here; possible cause is an inline element containing a block-level element
* Line 40, column 61:
<input type="submit" class="linkbutton" value="Korrektur">
^
Error: element "INPUT" not allowed here; possible cause is an inline element containing a block-level element
* Line 41, column 10:
</form>
^
Error: missing a required sub-element of "FORM"
* Line 45, column 51:
<input type="hidden" name="text" value="blabla">
^
Error: element "INPUT" not allowed here; possible cause is an inline element containing a block-level element
* Line 46, column 62:
<input type="submit" class="linkbutton" value="abschicken">
^
Error: element "INPUT" not allowed here; possible cause is an inline element containing a block-level element
* Line 47, column 10:
</form>
^
Error: missing a required sub-element of "FORM"