However, the promotion system of the official rank stopped functioning since too many warriors were awarded to the higher ranks while the official ranks to be given to the court nobles were already in short.
ところがただでさえ公家の官位が不足気味だったところへ武家の高位への任官が相次いだために官位の昇進体系が機能麻痺を起こしてしまう。