[TYPO3-english] Backend layout No edit access

[Naberd Zendi]

Have bootstrap core and bootstrap package as wel as grid elements and bootstrap grid elements installed.

have removed templates and backend layouts which where coming with bootstrap package.

have my own plugin which adds backend layouts.

now i have issue when i enter a colPos above 20  i have no edit access on it.

ideas how to fix it ?  typo3 is ver 7.6.18