How To Fix T1155 - No flows can be blocked for transaction

SAP Error Message - Details

• Message type: E = Error

• Message class: T1 - Financial instruments

• Message number: 155

• Message text: No flows can be blocked for transaction

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message T1155 - No flows can be blocked for transaction ?

  The SAP error message T1155, which states "No flows can be blocked for transaction," typically occurs in the context of workflow management or when dealing with transaction processing in SAP. This error indicates that the system is unable to block any flows for the specified transaction, which can be due to various reasons.
  Causes:
  
  Transaction Configuration: The transaction may not be configured to allow flow blocking. This can happen if the transaction is not set up correctly in the workflow or if the necessary settings are missing.
  Workflow Status: The workflow might be in a status that does not allow for blocking. For example, if the workflow is already completed or in a state that does not permit further actions.
  Authorization Issues: The user may not have the necessary authorizations to block flows for the transaction.
  System Settings: There may be system-wide settings or parameters that prevent blocking of flows for certain transactions.
  
  Solutions:
  
  Check Transaction Configuration: Review the configuration settings for the transaction in question. Ensure that it is set up to allow flow blocking.
  Review Workflow Status: Check the current status of the workflow associated with the transaction. If it is completed or in a non-blockable state, you may need to take appropriate actions to change its status.
  User Authorizations: Verify that the user attempting to block the flow has the necessary authorizations. This may involve checking roles and permissions in the SAP system.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the transaction and workflow in question. This can provide insights into any specific settings or configurations that may be required.
  System Parameters: If applicable, check system parameters or settings that may affect flow blocking. This may require assistance from a system administrator or SAP Basis team.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message. SAP Notes often provide fixes, workarounds, or additional information about known issues.
  Transaction Codes: Familiarize yourself with transaction codes related to workflow management (e.g., SWDD for workflow definition, SWI1 for work item selection) to better understand the context of the error.
  Support Forums: Consider searching SAP community forums or support channels for similar issues encountered by other users. This can provide additional insights or solutions that have worked for others.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.