My metric table I stop keeping record so my statistics are not working

please if you can help me, I’m new to OJS and I have a magazine hosted on this platform, I’m using ojs 3.1.1.1-2 but I do not understand why I stop working the statistics and it does not save any data in my metric table since 28 March, please can you help me, I have read all the issues similar to this one but none of them works for me