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Failed to create delta from `v20240229` to v20240830[Current]

Hi,
I am new to OMOP-CDM and I am trying to setup the omop-cdm database as part of exploratory work held by my company. I downloaded vocabulary v20240229 from https://athena.ohdsi.org/ and imported to the database using psql /copy. Now I want to upgrade to v20240830, I am trying to create a delta with all vocabularies from with the updates from v20240229 to v20240830. Unfortunately when I try to generate the delta via athena, I get this error: The Delta bundle could not be generated for the CPT4 vocabulary. It works if I remove CPT4 from the delta generation.

Thanks,

t