Message type: E = Error
Message class:  EDOCUMENT_IN - Messages for eDocument India 
Message number: 038
Message text: Invoice Type of Reference Invoice & is initial
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.
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.
The SAP error message EDOCUMENT_IN038 typically indicates an issue related to the invoice type of a reference invoice being initial or not properly defined. This error often arises in the context of electronic invoicing or document processing within SAP, particularly when dealing with eDocuments.
Cause: The error message EDOCUMENT_IN038 can occur due to several reasons: Missing or Incorrect Reference Invoice: The reference invoice that is being used may not have a valid invoice type assigned to it, or it may not exist in the system.
Configuration Issues: There may be configuration issues in the electronic document processing settings, particularly related to the invoice types. Data Entry Errors: There could be errors in the data entry where the reference invoice is being specified, leading to an initial or empty invoice type. Integration Issues: If the system is integrated with other applications or modules, there may be issues in the data flow that result in the reference invoice
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
EDOCUMENT_IN037 Fiscal Period of Reference Invoice & is initial
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
EDOCUMENT_IN036 Invoice Date of Reference Invoice & is initial
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
EDOCUMENT_IN039 Tax base of Advance or Dowm Paymnet doc. & & & is initial
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
EDOCUMENT_IN040 NilType is initial
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.