Syntax error in flow_labels.bro &synchronized

[AgustinParmisano]

Hello, regards

My research team and I need some tool to label tcp flows to start thinking a Machine Learning solution. We was thinking in this tool but we are having some installation and configuration issues.
When including @load flow_labels at local.zeek file and trying to deploy zeek from zeek control console it throws some syntax error at flow_labels.bro line 159 and 162 related to &synchronized statement. Tryed to fix this issues removing that sentence but it still crashes.
Do you have any solution or another flow labeling tool to recommend?
Screen capture of the issue attached.

Thanks in advance!

[thekibiru03]

Hello. Any luck solving this error, did you find another flow labelling tool?
I am currently facing the same issue.

[dwissm1]

Same here, looks like it needs some bro to zeek upgrades