Suspension of my line

The debit order for the 1st of July did not go through due to late payment of our salaries. I then received two messages on the 5th and 16th of July informing me that my account will be debited x2 on the 1st of August. Only the double premiums for the funeral and bill protection policies went through on the 31st. My line was then suspended and I dont think It should be suspended as it is their fault that they did not debit my account like they said they will. I desperately need assistance as I am now at my wits-end as I have had this number since 2005 on prepaid.