When looking at the JAR in question within the Docker image, it does contain the expected ooxml-schemas JAR which "should" contain the relevant class, but it apparently failed to be loaded. The ...

Hi, I have following error, when opening *.puml file in PhpStorm. 23:24:05 NoClassDefFoundError: net/sourceforge/plantuml/BlockUmlBuilder 23:24:25 ...