How To Fix SOS_MAPPING820 - Attribute &: FIELDTYPE is incorrect for reference attribute

SOS_MAPPING820 - Overview

• Message type: E = Error

• Message class: SOS_MAPPING - Object Services: Persistence Mapping for Messages

• Message number: 820

• Message text: Attribute &: FIELDTYPE is incorrect for reference attribute

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

SOS_MAPPING820 - Details

• The SAP error message SOS_MAPPING820 indicates that there is an issue with the field type of a reference attribute in your data model or mapping configuration. This error typically arises when the field type defined for a reference attribute does not match the expected type in the target system or data structure.
  
  Cause:
  
  Mismatched Field Types: The field type of the reference attribute in your source data does not match the expected field type in the target data structure. For example, if the target expects a numeric type but the source provides a string type, this error can occur.
  Incorrect Mapping Configuration: The mapping configuration may not be set up correctly, leading to a mismatch in the expected data types.
  Data Model Changes: If there have been recent changes to the data model or the structure of the source or target systems, this could lead to inconsistencies in field types.
  
  
  Solution:
  
  Check Field Definitions: Review the