How To Fix J3366 - Req./optional control not possible because data record inconsistent

J3366 - Overview

• Message type: E = Error

• Message class: J3 - Dialog Messages for Data Pool Entry Transactions

• Message number: 366

• Message text: Req./optional control not possible because data record inconsistent

What causes this issue?

The field check using optional/required control can not be completed,
because the transferred data record contains errors.

System Response

How to fix this error?

You should receive other messages regarding the error in addition to
this one. As soon as the error is corrected, this message should
disappear. If this does not happen, please inform SAP, as it most
likely has to do with an error in the external data transfer.

Error message extract from SAP system. Copyright SAP SE.

J3366 - Details

• The SAP error message J3366, which states "Req./optional control not possible because data record inconsistent," typically occurs in the context of the SAP system's handling of data records, particularly in the area of logistics or materials management. This error indicates that there is an inconsistency in the data that prevents the system from processing a request or optional control.
  Causes:
  
  Data Inconsistency: The most common cause is that the data record being processed has missing or incorrect information. This could be due to incomplete entries, incorrect data types, or mismatched fields.
  
  Configuration Issues: There may be configuration settings in the system that are not aligned with the data being processed, leading to inconsistencies.
  Master Data Issues: Problems with master data (e.g., material master, vendor master) can also lead to this error if the required fields are not filled out correctly.
  Transaction Errors: Errors during previous transactions that were not properly resolved can lead to inconsistencies