The children see this, but are not able to understand why their mum and dad argue. Other parents can explain this to the children. We have to exchange information about our children. Children see that their parents don't go to the Sunday service. Other parents are able to explain to those children that their parents have many reasons.
Problems have to get sorted out.
Then their parents will again be able to attend the services. We have to protect each other. I'm not saying you should tell lies. Lying is very bad. It's very important to understand each others' situation as parents.