@Hank21 Thanks for your help, after some changes the number of errors dropped a lot. I still have some but I think I need to find the right setting

Hi evryone, I experience issues with my office wifi. We have 1200 SQM and I initialy installed 15 AP EAP613 working with an OC200. BASEMENT - 4 AP GF - 5 AP L1 - 2 AP L2 - 2 AP L3 - 2 AP The wifi is...