Default Acr call recorder not working on aosp neatrom by sale 4.4.2 v5.6

I've been using acr call recorder by NLL on my s2 for ages but since upgrading the ROM to aosp neatrom by sale 4.4.2 v5.6 it doesn't work anymore and just says it couldn't record the call. Anyone know a fix or another recorder that should work (I would rather a fix than to buy another).

Thanks

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