How To Fix BOS01078 - Entry of supplement number not allowed; only possible for suppl. line

BOS01078 - Overview

• Message type: E = Error

• Message class: BOS01 - Customer BOS Processing

• Message number: 078

• Message text: Entry of supplement number not allowed; only possible for suppl. line

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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BOS01078 - Details

• The SAP error message BOS01078 indicates that there is an issue with the entry of a supplement number in a context where it is not allowed. This error typically arises in the context of handling supplementary data, such as in the case of purchase orders, sales orders, or other documents that may have supplementary lines.
  
  Cause:
  The error occurs when:
  
  You are trying to enter a supplement number in a main line of a document where it is only permitted for supplementary lines.
  The system is configured to allow supplement numbers only for specific line types or under certain conditions, and the line you are working with does not meet those criteria.
  
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Line Type: Ensure that you are entering the supplement number in a supplementary line rather than a main line. Review the document structure to identify which lines are designated as supplementary.
  
  
  Review Configuration: If you believe