give an error when trying to combine incompatible blocks

now, when combining blocks that are incompatible, e.g. from different files, a proper error will be shown to the user.

assigned to @a.stevan

added 5 commits

• fbe19053...f723ecda - 4 commits from branch main
• cf5e561a - add IncompatibleBlocks error

Compare with previous version

enabled an automatic merge when the pipeline for cf5e561a succeeds

merged

mentioned in commit 3eae84e7