diff --git a/changes/remaster b/changes/remaster
new file mode 100644
index 0000000..e69de29
diff --git a/doc/Error_Liste.txt b/doc/Error_Liste.txt
new file mode 100644
index 0000000..c90360c
--- /dev/null
+++ b/doc/Error_Liste.txt
@@ -0,0 +1,20 @@
+Erorr Liste:
+
+ID:		Description
+----------------------------------------------------
+1		Allgemeiner Fehler
+2		No Paramters / wrong parameters
+3		Wrong Settings!
+4		Programm missing
+
+10		no root
+11		file no found
+12		dir not found
+13		cant create/delete file/dir
+14		corrupt file (unsquashfs, mount iso, ...)
+15		wrong file (iso has no squashfs-file ...)
+
+
+20		mount error
+21		unmoun error
+22		incorrect filesystem
diff --git a/doc/Strukture.md b/doc/Strukture.md
new file mode 100644
index 0000000..e69de29
diff --git a/doc/strukture b/doc/strukture
new file mode 100644
index 0000000..f209963
--- /dev/null
+++ b/doc/strukture
@@ -0,0 +1,28 @@
+# Src
+
+raw scripts ..
+
+## functions
+
+ - creat iso
+ - burn cd ...
+ - clean workspace ...
+
+
+## distros
+
+scripts vor distros
+ - update
+ - set network settings
+ - set OS settings
+
+## mods
+ - for example: install & enable xrdp
+ - set default passwd
+ - ...
+
+## web
+placeholder for webfiles ...
+
+## pxe
+placeholder for pxefiles ...
diff --git a/gendeb.sh b/gendeb.sh
old mode 100644
new mode 100755
index 4ee6348..d975706
--- a/gendeb.sh
+++ b/gendeb.sh
@@ -2,7 +2,7 @@
 # at the moment only generate dir structure in /build
 
 echo "clear build"
-rm -v -R ./build
+[ -d ./build ] && rm -v -R ./build
 mkdir build
 
 echo "copy files"