I’m sorry to hear that you run right into the next issue.
This error was reported before:
and
It seems to occur on some products, but as far as I know the actual reason has not been figured out.
I believe to remember the using the S2Resampling operator instead of the generic resampler can overcome this problem. It is anyway a good Idea to use S2 specific resampler for S2 data.
Maybe @FlorianD has some new insights regarding this issue.