Error while loading the work order material txn

Summary:

Hello experts,

Some one clarify , i am getting the below error even after filling the all the relevant data , what are all the mandatory fields in it, as we need to load multiple txn. We are not using lot or serial control and we are using project and task.

Rejected - Error on table FUSION.WIE_MATERIAL_TRANSACTIONS_INT.
ORA-01400: cannot insert NULL into (???)
Help: https://docs.oracle.com/error-help/db/ora-01400/

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