Worst service branch and call centre

Worst experience ever, I have been trying to withdraw my provident fund and it's been months, I initially did it and when it was on the last stage of payout I was told to re submit claim as incorrect option selected and claim was cancelled but when Eva I try to submit claim online it's still showing pending claim, iv been to a old. Mutual branch been put on the phone and told its not reflecting I should submit claim bit still cannot and no one seems to know how to help me, I am beyond frustrated and unhappy with old mutual at this point