Error in updating quality indicators& metadata file is invalid

After processing (with sen2cor 2.2.1 of windonw platform 10) a single granule
by acquisition
I find the errors reported in the log in question.
The L2A product is opened by snap (Release 4.0) without any problem.

  1. It 'reliable the final product?
  2. If necessary, how to resolve the problems I highlighted?
    Thanks in advance for your support and for the answerS2A_USER_PRD_MSIL2A_PDMC_20160722T150227_R079_V20160722T095351_20160722T095351.SAFE_report.xml (76.9 KB)