Trending @Accenture; Please help on below things

I was using unassigned charge code for myte for an year , my project was not giving me any charge code, now I am locked to other project but I have received a mail that i have charged unassigned one but as long as i had shadow wbse i have used that only ..my project coordinator asked me to revert at least 2 fortnights to project wbse for my previous one what can i do previous project people are not helping and asking me take help from hr .