How To Fix /PF1/MSG_FH_EXC051 - No value allowed in field 'Asynch.Commun.Type' when Communic. is Synchro.

/PF1/MSG_FH_EXC051 - Overview

• Message type: E = Error

• Message class: /PF1/MSG_FH_EXC -

• Message number: 051

• Message text: No value allowed in field 'Asynch.Commun.Type' when Communic. is Synchro.

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 /PF1/MSG_FH_EXC051 - No value allowed in field 'Asynch.Commun.Type' when Communic. is Synchro. ?

  The SAP error message /PF1/MSG_FH_EXC051 indicates that there is a configuration issue related to the communication type in a function module or process where synchronous communication is expected, but an asynchronous communication type has been specified.
  
  Cause:
  The error occurs when the system is configured to use synchronous communication, but the field for the communication type (Asynch.Commun.Type) is not allowed to have a value. This typically happens in scenarios where:
  
  Incorrect Configuration: The communication type is set incorrectly in the configuration settings of the relevant function module or process.
  Data Entry Error: A user may have inadvertently entered a value in a field that should remain empty when synchronous communication is selected.
  Custom Development: If there are custom developments or enhancements, they may not be handling the communication type correctly.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the relevant configuration settings in the SAP system where the communication type is defined.
  Ensure