How To Fix E0155 - Specify IDoc number

SAP Error Message - Details

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 155

• Message text: Specify IDoc number

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 E0155 - Specify IDoc number ?

  The SAP error message E0155, which states "Specify IDoc number," typically occurs when a process that requires an IDoc (Intermediate Document) number is executed without providing one. IDocs are used in SAP for data interchange between systems, and they require a unique identifier to track and manage the data being transferred.
  Cause:
  
  Missing IDoc Number: The most common cause of this error is that the IDoc number was not specified in the transaction or function module that requires it.
  Incorrect Configuration: There may be issues with the configuration of the IDoc processing, leading to the system not being able to retrieve or recognize the IDoc number.
  User Input Error: The user may have overlooked entering the IDoc number in the relevant field.
  
  Solution:
  
  Provide IDoc Number: Ensure that you enter a valid IDoc number in the required field when prompted. This is the most straightforward solution.
  Check Transaction/Function Module: If you are using a specific transaction or function module, verify that you are following the correct steps and that all required fields, including the IDoc number, are filled out.
  Review Configuration: If the error persists, review the configuration settings related to IDoc processing in your SAP system. This may involve checking the partner profiles, message types, and other related settings.
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction or function you are using to ensure you are following the correct procedures.
  Debugging: If you have access to debugging tools, you can trace the execution of the program to identify where the IDoc number is expected and why it is not being provided.
  
  Related Information:
  
  IDoc Structure: Familiarize yourself with the structure of IDocs, including segments and fields, to understand how data is organized and how to reference specific IDocs.
  Transaction Codes: Common transaction codes related to IDocs include WE02 (Display IDoc), WE19 (Test IDoc), and WE20 (Partner Profiles).
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on handling IDoc-related errors.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to access and process IDocs, as restrictions may lead to incomplete data entry.
  
  By following these steps, you should be able to resolve the E0155 error and successfully process the IDoc in your SAP system.