Until Documentum Foundation Classes version 22.4 using Java 17.5 it’s not possible using DFC to change/append to the R_VERSION_LABEL (and several other attributes) even as an superuser/administrator.
To fix below you have to the java VM Arguments:
-Djava.locale.providers=COMPAT,SPI –add-opens=java.base/java.lang=ALL-UNNAMED –add-opens=java.base/java.lang.invoke=ALL-UNNAMED
Then you are able to update any attribute on an object