since the last few weeks(?), i am getting tons of abstractmethoderrors when opening "older" (not used for a week ro so) projects that worked fine when i opened them last time. compilation still works as expected, but of course everything is red.
these errors happen during the index-phase. invalidating the caches helped, but all my other projects suffer from that and need to be reindexed. i reported some of the exceptions. any idea what is causing them/when they will be fixed?