I found the solution to this problem.
Un-check ‘automatically unpin topics’ and ‘default topics automatic unpin’ in ‘Settings’ menu(admin authority required). These two settings turn pinned posts into unpinned posts when the user reads it.
I found the solution to this problem.
Un-check ‘automatically unpin topics’ and ‘default topics automatic unpin’ in ‘Settings’ menu(admin authority required). These two settings turn pinned posts into unpinned posts when the user reads it.