tvplanit: Improvements in German translation, based on some proposals in report #39040 by forum user Nicole.

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8420 8e941d3f-bd1b-0410-a28a-d453659cc2b4

components/tvplanit/languages/vpsr.pot

@@ -773,10 +773,6 @@ msgstr ""
 msgid "No alarm"
 msgstr ""
 
-#: vpsr.rsnocanvas
-msgid "TCanvas not assigned"
-msgstr ""
-
 #: vpsr.rsnocontactsfoundinvcard
 #, object-pascal-format
 msgid "No contact items found in \"%s\"."
@@ -1350,7 +1346,8 @@ msgid "Tuesday"
 msgstr ""
 
 #: vpsr.rsunabletoopen
-msgid "Error: Unable to open "
+#, object-pascal-format
+msgid "Error: Unable to open %s"
 msgstr ""
 
 #: vpsr.rsuntitled