How to add sync jobs in composite cronentry model.

 Getting below error when adding it via IMPEX.                                

INSERT_UPDATE CompositeEntry;code[unique=true];triggerableJob(code);compositecronjob(code);compositecronjobpos ,,,,incompatible item reference values [sync , Staged->Online] ( need 1 values, got 2 ) within de.hybris.platform.impex.jalo.translators.ItemExpressionTranslator@d3ee9f9, incompatible item reference values [sync , Staged->Online] ( need 1 values, got 2 ) within de.hybris.platform.impex.jalo.translators.ItemExpressionTranslator@cdd9e10;sync ;sync **:Staged->Online;*CompositeCronjob;1

But,able to add via HMC