How To Fix SK156 - Transmission canceled

SAP Error Message - Details

• Message type: E = Error

• Message class: SK - SAPcomm messages

• Message number: 156

• Message text: Transmission canceled

What causes this issue?

Message transmission was cancelled.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Re-send message.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SK156 - Transmission canceled ?

  The SAP error message SK156, which states "Transmission canceled," typically occurs during the process of data transmission in SAP systems, particularly in the context of IDocs (Intermediate Documents) or other data transfer processes. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: Temporary network disruptions can lead to transmission failures.
  Configuration Errors: Incorrect settings in the IDoc configuration or partner profiles can cause transmission issues.
  System Performance: High system load or performance issues can lead to timeouts and canceled transmissions.
  Authorization Issues: Lack of proper authorizations for the user or system trying to send or receive the data.
  Data Issues: Problems with the data being transmitted, such as missing mandatory fields or incorrect formats.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues affecting the connection between the systems involved in the transmission.
  Review IDoc Configuration: Verify the configuration settings for IDocs, including partner profiles, message types, and port settings.
  Monitor System Performance: Check system performance metrics to identify any bottlenecks or high load situations that could affect transmission.
  Check Authorizations: Ensure that the user or system has the necessary authorizations to perform the transmission.
  Validate Data: Review the data being transmitted for completeness and correctness. Use transaction codes like WE02 or WE05 to analyze IDocs for errors.
  Retry Transmission: If the issue was temporary, you may be able to simply retry the transmission after resolving any underlying issues.
  
  Related Information:
  
  
  Transaction Codes: 
  
  WE02/WE05: To monitor and analyze IDocs.
  SM58: To check for any asynchronous RFC errors.
  SLG1: To view application logs for more detailed error messages.
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message SK156. You can search the SAP Support Portal for relevant notes.
  
  
  Documentation: Review SAP documentation related to IDoc processing and error handling for more detailed guidance.
  
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.