I started upgrade as follows:
copied upload into webspacea Button to upgrade clickederror message was:
Duplicate entry 'core-number_format' for key 'namespace'sequence id did exist with value 1 (it is okay) but error is throwennumber_format set by singel INSERT to ######
But now i am loked into the "Upgrade broken" Screen, some links
how to get helb but i only want to go forward in the Upgrade or start
once more.
What ist to do?