Hello,
Today I experienced a bug again that happens a few weeks ago the last time:
Today my watch calculated 2 km more distance and also adjusted the pace to that. The run before the watch calculated 2 km less. But when I check the interval tab of the run I can see the real distance and pace.
Here are two pictures of the run a few weeks ago where the bug occured the first time:


These two screenshots are from the same activity. You can see 7,2 km are the real value and 5,67 km is not what I run.
I am on the newest version (12.27) of the Forerunner 955.
Anyone experienced the same? What can I do to solve the problem?