I have also lost all my redirections on 70 sites, my clients are very angry: most loo like:
Plugin: 3.0
WordPress: 4.9.2
PHP: 5.6.32
Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36
Error: Nieprawid?owe parametry: per_page
Action: redirection/v1/redirect?orderby=id&per_page=500 GET
Code: 400
Raw: {“code”:”rest_invalid_param”,”message”:”Nieprawid\u0142owe parametry: per_page”,”data”:{“status”:400,”params”:{“per_page”:”per_page musi zawiera\u0107 si\u0119 mi\u0119dzy 5 (w\u0142\u0105cznie) i 200 (w\u0142\u0105cznie)”}}}
Error: Nieprawid?owe parametry: per_page
Action: redirection/v1/group?per_page=500 GET
Code: 400
Raw: {“code”:”rest_invalid_param”,”message”:”Nieprawid\u0142owe parametry: per_page”,”data”:{“status”:400,”params”:{“per_page”:”per_page musi zawiera\u0107 si\u0119 mi\u0119dzy 5 (w\u0142\u0105cznie) i 200 (w\u0142\u0105cznie)”}}}