First, let me apologise for not getting back to you in your other topic. I have just checked and it seems it has fallen out of our radar somehow. I will go ahead and close the other thread so we can focus on the topic in here.
I’ll be happy to help you with this issue. Could you please share with us the Facebook URL you are having the issue with? We’ll run some tests with it and see if we can reproduce the problem.
In the meantime, you might want to check your import limit settings by going to wp-admin > Events > Settings > Imports tab and under Global Import Settings you will find the Import Limit Type and Import Date Range Limit.
I can see from your system information that your current limit is set to fetch one month of events. It may be the case that the events you are trying to import are far more into the future.
Please try increasing this limit and see if any changes.
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