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Account users with admin permissions or higher use this article to resolve a network error when updating Allow, Block, or Universal Lists. 

When the Allow, Block, or Universal List returns a network error message, the first step is to double-check the entry formatting to confirm it matches the accepted format. 

For accepted formatting details, see Create Allow and Block Lists. The following checklist identifies common formatting issues:

Edit the entry format and try adding it again. If the formatting is correct, the entry saves successfully.