If your RCD neutral terminal is around the left, shift RCD into the still left and reconnect power cables. In this way you might however be capable to utilize the busbar. From the bottom of RCD run a cable to your neutral bar. We may have two outgoing cables (twin https://collincujxh.ampblogs.com/the-single-best-strategy-to-use-for-cost-of-eicr-in-the-uk-72076617