i recently updated my engine to 5.4.4 from 5.1 and now i get a whole bunch of warnings and errors
see attached log
log.txt (1.0 MB)
You will have to fix all warning and errors one by one.
Nbuilding_DM_Blueprint seem to be occuring a lot, open it and see what the bp log is outputing as errors.
Sometime it just a refresh node or fix up redirectors.