Dependency version must be valid version for cypher compatibility

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[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[ERROR] 'dependencies.dependency.version' for org.neo4j:neo4j-graph-matching:jar must be a valid version but is '${cypher.compatibility.31}'. @ org.neo4j:cypher-parent:3.4.18-SNAPSHOT, /Users/bradnussbaum/git/graphfoundation/ongdb-34-dev/community/cypher/pom.xml, line 178, column 18
[ERROR] 'dependencies.dependency.version' for org.neo4j:neo4j-cypher-compiler-2.3:jar must be a valid version but is '${cypher.compatibility.23}'. @ line 158, column 16
[ERROR] 'dependencies.dependency.version' for org.neo4j:neo4j-cypher-compiler-3.1:jar must be a valid version but is '${cypher.compatibility.31}'. @ line 185, column 16
[ERROR] 'dependencies.dependency.version' for org.neo4j:neo4j-cypher-compiler-3.3:jar must be a valid version but is '${cypher.compatibility.33}'. @ line 224, column 16
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[ERROR] The build could not read 1 project -> [Help 1]
[ERROR]
[ERROR] The project org.neo4j:neo4j-cypher:3.4.18-SNAPSHOT (/Users/bradnussbaum/git/graphfoundation/ongdb-34-dev/community/cypher/cypher/pom.xml) has 4 errors
[ERROR] 'dependencies.dependency.version' for org.neo4j:neo4j-graph-matching:jar must be a valid version but is '${cypher.compatibility.31}'. @ org.neo4j:cypher-parent:3.4.18-SNAPSHOT, /Users/bradnussbaum/git/graphfoundation/ongdb-34-dev/community/cypher/pom.xml, line 178, column 18
[ERROR] 'dependencies.dependency.version' for org.neo4j:neo4j-cypher-compiler-2.3:jar must be a valid version but is '${cypher.compatibility.23}'. @ line 158, column 16
[ERROR] 'dependencies.dependency.version' for org.neo4j:neo4j-cypher-compiler-3.1:jar must be a valid version but is '${cypher.compatibility.31}'. @ line 185, column 16
[ERROR] 'dependencies.dependency.version' for org.neo4j:neo4j-cypher-compiler-3.3:jar must be a valid version but is '${cypher.compatibility.33}'. @ line 224, column 16
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException