When setting up the automatic release of sales order batch job, we switched th Credit limit type = None in the parameters.  

The Infolog continues to be contain credit limit messages: i.e.

Credit limit exceeded Open balance: 3,007,009.46 Current order: 10,410.24 New balance: 3,017,419.70 Credit limit: 2,300,000.00 Credit excess: 717,419.70

Customer wants to remove this error as it's creating a lot of noise in the environment.