How To Fix WEBFI_MASTER202 - Internal error: Communication type &1 is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: WEBFI_MASTER - Web Financials: Business Partner Master Data

• Message number: 202

• Message text: Internal error: Communication type &1 is not supported

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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Smart SAP Assistant

• What is the cause and solution for SAP error message WEBFI_MASTER202 - Internal error: Communication type &1 is not supported ?

  The SAP error message:
  WEBFI_MASTER202 Internal error: Communication type &1 is not supported
  
  Cause
  This error occurs in SAP systems when the communication type specified in a WebFlow or WebFlow-related configuration is not recognized or supported by the system. The placeholder &1 in the message is replaced by the actual communication type value that caused the error.
  Common scenarios include:
  
  The communication type used in the WebFlow configuration or in the integration scenario is invalid or misspelled.
  The communication type is not configured or enabled in the system.
  There is a mismatch between the expected communication types in the WebFlow and the actual configuration.
  The system or component does not support the specified communication type (e.g., trying to use a communication type that is only supported in newer versions or specific modules).
  
  
  Explanation
  In SAP WebFlow (used in SAP Web Application Server and related components), communication types define how different components or systems communicate with each other (e.g., HTTP, RFC, SOAP, etc.). If a communication type is not supported or recognized, the system cannot establish the communication channel, leading to this error.
  
  Solution
  
  
  Check the Communication Type Value:
  
  Identify the communication type value passed in the error message (replace &1 with the actual value).
  Verify if this communication type is valid and supported in your SAP system.
  
  
  
  Verify Configuration:
  
  Go to the WebFlow or integration scenario configuration where the communication type is defined.
  Ensure the communication type is correctly spelled and configured.
  Check transaction codes or configuration paths related to WebFlow communication types (e.g., SM59 for RFC destinations, or WebFlow configuration transactions).
  
  
  
  Check System Support:
  
  Confirm that your SAP system version and installed components support the communication type.
  If the communication type is new or custom, ensure that the necessary patches or add-ons are installed.
  
  
  
  Correct or Change Communication Type:
  
  If the communication type is invalid or unsupported, change it to a supported one.
  For example, if the communication type is SOAP but your system only supports HTTP or RFC, adjust accordingly.
  
  
  
  Check for Custom Developments:
  
  If custom code or enhancements are involved, verify that the communication type handling logic is correct.
  Debug or trace the error to find where the unsupported communication type is set.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to WEBFI_MASTER202 or communication type errors in WebFlow.
  Apply any relevant SAP Notes or patches.
  
  
  
  
  Related Information
  
  Transaction SM59: Used to configure RFC destinations and communication types.
  WebFlow Configuration: Usually done in the SAP Web Application Server or NetWeaver Administrator.
  SAP Help Portal: Documentation on WebFlow and communication types.
  SAP Notes: Check for notes related to WEBFI_MASTER202 or communication type issues.
  Debugging: Use ST22 (short dumps) or SM21 (system log) to get more details on the error.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error Message
  WEBFI_MASTER202 Internal error: Communication type &1 is not supported
  
  
  Cause
  Unsupported or invalid communication type used in WebFlow or integration configuration.
  
  
  Solution
  Verify and correct the communication type in configuration; ensure system supports it.
  
  
  Related Info
  Check SM59, WebFlow config, SAP Notes, system logs, and apply patches if needed.
  
  
  
  
  If you provide the actual communication type value (&1), I can help you further narrow down the issue.