How To Fix 5A603 - Only 'P' or 'H' are allowed as input

SAP Error Message - Details

• Message type: E = Error

• Message class: 5A - Basis Personnel Management

• Message number: 603

• Message text: Only 'P' or 'H' are allowed as input

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 5A603 - Only 'P' or 'H' are allowed as input ?

  The SAP error message 5A603 indicates that the system is expecting a specific input value, and only the values 'P' (for "Post") or 'H' (for "Hold") are allowed. This error typically occurs in scenarios where a user is prompted to enter a status or type that is restricted to these two options.
  Cause:
  
  Invalid Input: The user may have entered a value other than 'P' or 'H' in a field that only accepts these two values.
  Configuration Issues: There may be a configuration setting in the SAP system that restricts the input to only these two options, and the user may not be aware of this restriction.
  User Error: The user might have misunderstood the prompt or the options available.
  
  Solution:
  
  Check Input: Ensure that you are entering either 'P' or 'H' in the relevant field. Double-check for any typos or incorrect characters.
  Review Documentation: If you are unsure about the context in which this error occurs, refer to the relevant SAP documentation or user guide that explains the expected inputs for the transaction or process you are working on.
  Consult with Colleagues: If you are part of a team, ask colleagues who may have experience with the same transaction or process for guidance.
  System Configuration: If you believe the input should accept other values, consult with your SAP administrator or technical team to review the configuration settings related to the transaction or module in question.
  
  Related Information:
  
  Transaction Codes: Identify the specific transaction code where the error occurs, as this can help in troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or updates related to the error message 5A603.
  User Roles and Authorizations: Ensure that your user role has the necessary authorizations to perform the action you are attempting, as restrictions may also lead to unexpected errors.
  
  If the issue persists after following these steps, it may be beneficial to escalate the matter to your SAP support team for further investigation.