How To Fix AQQIS_CNTRL028 - &1 has no reference field

SAP Error Message - Details

• Message type: E = Error

• Message class: AQQIS_CNTRL - Join-Control InfoSet

• Message number: 028

• Message text: &1 has no reference field

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AQQIS_CNTRL028 - &1 has no reference field ?

  The SAP error message AQQIS_CNTRL028 indicates that a certain field (denoted by &1) does not have a reference field associated with it. This error typically arises in the context of SAP's data processing, particularly in the areas of data integration or data transfer where reference fields are expected for certain operations.
  Cause:
  
  Missing Reference Field: The primary cause of this error is that the system expects a reference field to be defined for the specified field, but it is either missing or not properly configured.
  Configuration Issues: There may be issues in the configuration of the data model or the specific transaction you are working with, leading to the absence of the required reference field.
  Data Inconsistencies: If the data being processed does not conform to the expected structure or if there are inconsistencies in the data, this error can occur.
  
  Solution:
  
  Check Field Configuration: Review the configuration of the field in question. Ensure that the reference field is defined correctly in the relevant data model or transaction.
  Data Validation: Validate the data being processed to ensure that it meets the expected criteria and that all necessary fields are populated.
  Transaction Settings: If this error occurs during a specific transaction, check the settings and parameters of that transaction to ensure that they are correctly set up.
  Consult Documentation: Refer to SAP documentation or help resources for the specific module you are working with to understand the requirements for reference fields.
  Debugging: If you have access to debugging tools, you can trace the execution to identify where the reference field is expected and why it is not being found.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  SAP Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP support for assistance. They can provide more detailed guidance based on your specific system configuration and usage.
  
  By following these steps, you should be able to identify the cause of the AQQIS_CNTRL028 error and implement a suitable solution.