E-PK-CORE-113
Message
Invalid file .project-keeper.yml. Invalid value from property 'version'.
Mitigation
You can either set a version as string or tell PK from which maven source to read the version from with 'fromSource: "path to project file to read version from"'.
Source
project-keeper/src/main/java/com/exasol/projectkeeper/config/ProjectKeeperConfigReader.java:119