How to fix error when push update?

I got this error when push update application

Creation error


java.lang.NullPointerException
        at com.rb.core.data.definition.a241.convert(a241.java:805)
        at p0.a204.createFieldDef(a204.java:941)
        at p0.a204.createObjectDef(a204.java:684)
        at p0.a204.install(a204.java:281)
        at p0.a204.install(a204.java:191)
        at p4.a297$PacketUpdateJob.doJob(a297.java:396)
        at com.rb.util.system.a574.run(a574.java:52)

How to fix this?

I use rollbase version 4.0.6.3

Thanks.

Kasipat