Default data viewer implementation is very strict and breaks common functionality, i.e. events without a level are getting blocked by default.
Temporarily disable it in common shared codebase. Office guys should enable in their build.
#if defined(HAVE_PRIVATE_MODULES)
#define HAVE_MAT_EXP
#define HAVE_MAT_FIFOSTORAGE
-#define HAVE_MAT_DEFAULTDATAVIEWER
+//#define HAVE_MAT_DEFAULTDATAVIEWER
#endif
#define HAVE_MAT_JSONHPP
#define HAVE_MAT_ZLIB
