Cassandra is not starting up while upgrading the Private Cloud version from 4.14.07.03 to 4.15.07.03

[adevegowda]

We are seeing the below error in cassandra.log

 INFO 04:30:08,780 Initializing system.LocationInfo
ERROR 04:30:08,926 Exception encountered during startup
org.apache.cassandra.db.marshal.MarshalException: cannot parse 'column1' as hex bytes
        at org.apache.cassandra.db.marshal.BytesType.fromString(BytesType.java:69)
        at org.apache.cassandra.config.ColumnDefinition.fromSchema(ColumnDefinition.java:230)
        at org.apache.cassandra.config.CFMetaData.addColumnDefinitionSchema(CFMetaData.java:1524)
        at org.apache.cassandra.config.CFMetaData.fromSchema(CFMetaData.java:1456)
        at org.apache.cassandra.config.KSMetaData.deserializeColumnFamilies(KSMetaData.java:306)
        at org.apache.cassandra.config.KSMetaData.fromSchema(KSMetaData.java:287)
        at org.apache.cassandra.db.DefsTable.loadFromTable(DefsTable.java:154)
        at org.apache.cassandra.config.DatabaseDescriptor.loadSchemas(DatabaseDescriptor.java:574)
        at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:253)
        at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:447)
        at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:490)
Caused by: java.lang.NumberFormatException: An hex string representing bytes must have an even length
        at org.apache.cassandra.utils.Hex.hexToBytes(Hex.java:52)
        at org.apache.cassandra.db.marshal.BytesType.fromString(BytesType.java:65)
        ... 10 more

Can you please help resolve this issue ?