Background verification - previous employer has given black remark for forced resignation

Hi all,
I have got my resignation acceptance letter and I joined to cts. But in bgv it's came as insufficient bcz my previous employer given black mark as forced resignation.
Now will i loose job, kindly suggest hw can i save my job.

You can say that my previous manager have some problems with me and due to jealously he has put the wrong feedback about me.

Problem was nt wit my manager, it was with ER. Here my question will er in cts accept my words? If at all dey giv chance i am ready to prove my work potential n sincerity towards wrk by setting up a call wit my manager and project manager of my previous company.

Hi all,
I have got my resignation acceptance letter and I joined to cts. But in bgv it's came as insufficient bcz my previous employer given black mark as forced resignation. Now will i loose job, kindly suggest hw can i save my job.