My journal balances to 0 but I cannot post it because there is an 'Error in the journal'. Why? April 20, 2020 09:02 Updated Follow Check your journal set up as to whether the: - Sum per date must be zero - Sum per voucher must be zero. Read more here. Related articles Why do I get this error message: "The date is not in an open period"? Why do I get an error message 'No lines for posting' in my journal?