** segv at 0x55da7ccd646f in pid 27025, tid 27025
writing debug data to /tmp/cinelerra_batch27025.dmp
lock_items: 0
lock_frees: 1
Segment violation (`core' generated)

The above has to be analyzed though if it can be reproduced reliably.  Were there changes in other than what came from GIT?  Like transitions or additional backups?