How To Fix R3307 - Incorrect entry, or the assignment &-& is not defined in the source systm

SAP Error Message - Details

• Message type: E = Error

• Message class: R3 - Service API messages

• Message number: 307

• Message text: Incorrect entry, or the assignment &-& is not defined in the source systm

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R3307 - Incorrect entry, or the assignment &-& is not defined in the source systm ?

  The SAP error message R3307, which states "Incorrect entry, or the assignment &-& is not defined in the source system," typically occurs in the context of data transfer or integration processes, particularly when working with SAP BW (Business Warehouse) or SAP ECC (Enterprise Central Component). This error indicates that there is an issue with the data being processed, often related to master data or configuration settings.
  Causes:
  
  Incorrect Master Data: The error may arise if the master data (like customers, vendors, materials, etc.) referenced in the data transfer does not exist in the source system.
  Missing Assignments: The specific assignment or relationship that is being referenced in the data transfer is not defined in the source system.
  Data Transfer Issues: There may be issues with the data extraction process, such as incorrect data source settings or filters that exclude necessary data.
  Configuration Errors: The configuration settings in the source system may not be set up