Old mutual death claim

Hi I have an issue with old mutual and their policy payouts,my husband died in 2012,he took a funeral cover with Old mutual for his parents,the benefiary for these policies was my father in-law,my father in-law died in 2015. In November 2022 I was approached by my mother in law,she asked me to make a claim regarding the policy for my father in-law at old mutual as she had tried to make a claim but they told she can't make it because I am the only person who can make the claim since I am the spouse of the deceased (my husband) Fast forward,I went with my mother in-law to old mutual to make the claim they told me to go to the master of the high court to add the funds on the letter of authority,since I am residing in east london I went to East London to add the fund but I could not they told me to go to Grahamstown and I went to Grahamstown still they couldn't they told me to go to Umtata and I went I added the funds at umtata,I went back to old mutual at East London with the required documents they told me to bring the late estate bank account for my late husband I went to ABSA for the late estate bank account and opened it, I went back to old mutual with the late estate bank account still they couldn't help me they told to bring my father in-law late estate bank account and I aske my mother in-law for it,she went to ABSA bank they told her after the laywer distributed all the assets accordingly they have closed the estate account, I am tired of doing this back and forth with Old mutual.i have spent more than what I am claiming for at old mutual,I have travelled a lot regarding this matter please help me hellopeter this is draining and frustrating