How To Fix 5N888 - Combination of conversion rule & and green table is not valid

5N888 - Overview

• Message type: E = Error

• Message class: 5N - HR NL: Error Messages for Infotype Module Pools (NL)

• Message number: 888

• Message text: Combination of conversion rule & and green table is not valid

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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5N888 - Details

• The SAP error message 5N888, which states "Combination of conversion rule & and green table is not valid," typically occurs in the context of data conversion or mapping processes within SAP, particularly when working with the SAP Data Transfer Workbench or during data migration activities.
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  Invalid Mapping: The conversion rule defined in the system does not match the expected format or structure of the green table (a table used for mapping data).
  Missing Entries: There may be missing entries in the green table that are required for the conversion rule to function correctly.
  
  Configuration Issues: The configuration settings for the conversion rules or the green table may not be set up correctly.
  Data Type Mismatch: There could be a mismatch in data types between the source data and the target fields defined in the conversion rule.
  
  
  Solution:
  To resolve the error, you can take the following