Missing Conflict Check with Extension date2cal break IRRE
I discovered a strange issue: the parenttable and parentid field of new IRRE child records stay NULL if the extension date2cal is installed in 4.3.
Solution: mark the extension as conflicting and or remve
(issue imported from #M12939)
#1 Updated by Chris topher about 10 years ago
thanks for your bugreport!
The Core does not check for conflicting extensions.
Instead the extension can set the TYPO3 version it is compatible with.
For date2cal you can put this issue in the bugtracker of this extension which you find here: