I need help with Battlefield 1 Operations (PS5)

For some reason, any time I try to play most of the campaigns (e.g Devils Anvil or Iron Walls), it says I need premium. I've never had this problem before. I have battlefield 1 Revolution and I've played these maps many times before so I don't know why this time is any different .It has just started happening in the last 48 hours and I don't know why? . If someone knows how to resolve this, please reply.